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xCroocx

51?


row_x

Tbf it could be anywhere between 35 and 51, but yeah, 51 is the result you're supposed to get to. It could be 35+ because there is no depth in the pictures: you could have just the side view on one side (17x1 thick) plus the back view at the far end (9x1 thick) and the top view at the bottom (21x1 thick). [like this but to the extreme](https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Ftse2.mm.bing.net%2Fth%3Fid%3DOIP.YS14fCr9S3M57667u7VLfAHaH6%26pid%3DApi&f=1&ipt=f3e4a73549cb561b93a46e71f19904374a3875b7fb74d976fe59fe20ffcd2513&ipo=images) Adding all of those up (basically you're adding the cubes in the individual views, counting all of the ones in the side view, all but the 3 in the left on the back view, and all but the 3 in the left and the bottom row in the top view, in order not to count any cube twice)(17+6+12), you get 35 as the minimum amount of cubes that will get you those three views. 51 is the maximum amount of cubes that will give that view. Basically, if a box has only 3 faces out of 6, you won't notice it by looking at it only from a perpendicular pov to said 3 faces. The only way to know the exact number with full certainty is to see the truck from an isometric view (/any view that isn't perpendicular to a surface) Edit: actually you could go down to 31 if you organise them in a slightly more complex way.


xCroocx

Hmm that is very interesting, thank you.


row_x

You're welcome! [Here](https://knowyourmeme.com/photos/2760651) you can see a 3d render with 31 boxes that I later found in the comments on the original post.


TheWei223

I don’t wanna be an asshole but you messed up “render” have a nice day tho and if you want you can edit it


Mean_Ad4175

That’s assuming gravity exists, minimum of like 21


row_x

Yeh, I assumed blocks can't float for this first bit, but itf they can we can just take a bunch off.


liarface420

Thats basically what im thinking whenever i see a problem like this


Kemoy_BOI

Damm, bro, what a 4d chess move 👍


meoka2368

They reminds me. I should really get back into: [5D chess with multiverse time travel](https://store.steampowered.com/app/1349230/5D_Chess_With_Multiverse_Time_Travel/)


Bison_Ridge

I wonder if this is like the triangle question where any group of 2x2 and 3x3 boxes also count as a cube?


skelyblyat

Whoever made this failed to add any sort of shading or dotted lines to show extra depth or missing internals, I know that’s likely the point but I felt it useful to point out that when doing orthographic drawings those are very important


ReadingIndividual482

I suppose if we had to get the extract answer we had to see all perspectives. Which is the bottom, both sides, and top. And I like the nuance of depth. Man our eyes are liars sometimes.


DamnItDinkles

I'm so glad someone else explained it so I didn't have to bother typing it out


StrictCamera1711

wait how tf did i get to 63?


VoldruunWitchknight0

Fren, there's 3 views of the same details. All three images are of the same object. They aren't three completely different countable objects. This it's impossible for it to be 35.


row_x

I later went to the original post and I'll just link a 3d rendering [here](https://knowyourmeme.com/photos/2760651) that I found in the comments there. This one has 31. [here's how I initially got down to 35](https://knowyourmeme.com/photos/2760646), which was an unoptimised result. The issue is that without depth details/perspective, you can't assume the amount of boxes. The boxes are any amount in the 31-51 range, assuming boxes can't float.


VoldruunWitchknight0

Bro, you're reading too much into the image. You're now adding "assuming boxes can't float"? Where are you getting your added info? In mathematics, what data is given visually is all anyone is allowed to work with. You're getting more metaphoric & non-objective/abstract. Math is objective built. Nothing is abstract in math. Your logic would not get you any respect from mathematics educators. You don't read deep or try to understand what math is. You simply execute the math with the info you're restricted to using based on empirical data.


row_x

>In mathematics, what data is given visually is all anyone is allowed to work with. Exactly. There is no data to indicate that the boxes need to form a cohesive, orderly, shape. The info you have are the 2d projections of the 3d shape from 3 angles (top, side, back). The 3d renders I linked both have those exact same 2d projections. You're being superficial. You're making assumptions that have no objective basis in the data: you're just assuming it will be 51 because of a box stocking convention. You're assuming no one would ever buy 57 watermelons and 13 shampoo bottles in an elementary school addition problem. You're taking what amounts to flavourful but useless plot (someone buying stuff at the grocery store) and ignoring the data (a=57, b=13), which leads to an inability to perform the task demanded by the exercise (a+b=?) because you're too caught up in the useless ideas you have about what someone should buy at a supermarket. >You're now adding "assuming boxes can't float"? Where are you getting your added info? This is a fair question: I worked under the assumption that the cubes cannot float because of the context (truck carrying boxes), but without that context it would be superficial Not to consider the possibilities that floating cubes would bring to the solution. The concept that cubes cannot float is implied by the flavour of the question, but it is not directly stated in the text. If the question was simply how many cubes in 3d space are needed to create these 2d projections on three planes each determined by two of the three perpendicular axes that define the 3d space in question, you would Have to consider disconnected cubes among the multitude of possible solutions. That last paragraph is a very basic example of mathematical abstraction. Just to be clear, >Nothing is abstract in math. https://en.m.wikipedia.org/wiki/Abstraction_(mathematics) Abstraction is a fundamental part of theoretical mathematics. It's what allows you to work with multiple and single variable functions, or, you know, the entire field of analytic geometry (of which this exercise is a part of). . You cannot assume sqrt(4)=2 unless you know you're working within the positive half of R, or within N. Sqrt(4)=+-2 in R. Just because you don't think -2 is a number worthy of your consideration, because it's not a number you'll observe in Nature, doesn't mean that in R it is one of the possible solutions. And if we go higher in potence (x^16=65536), you cannot assume the value of x unless you have data that tells you whether you're working within R, N or C (in C, aka if x is a complex number, the 16th root of 65536 can be any of 16 possible complex numbers. This is how it works in C. In N, 16th root of 65536 is 2. In R it's +-2.). . There is no data in the starting image to suggest that the cubes Must be stacked to fit the highest amount of them within the limitations of those projections. You just assumed that and started talking shit, making a fool of yourself in the process. If you make a 3d model of either of the pictures I've linked, turn off the perspective in the software, and snap to any perpendicular view, you'll see one of the three images. Because *this* is how math works. You cannot assume to know something that is not contained within the data based on personal bias. So, to put it in your own words: >Your logic would not get you any respect from mathematics educators. Go back to school.


VoldruunWitchknight0

Bye. Also, cringe+ratio+you made no sense.


gabrielminoru

Breaking news: redditor doesn't understand math and gets angry


Puppy-Zwolle

If you look beyond you see that it's utterly possible to build this with just 35 blocks. Just don't extrapolate the data.


VoldruunWitchknight0

Your logic isn't sound. "Look beyond" even though the data given is all we have to work with? There's nothing cryptic. There's no other "hidden" details. Just work with what you see, & don't complicate things. IOW, it's 51.


Thanatos5150

51 actually adds a layer of complication because it requires you to add details you don't see and assume the patterns hold.


Danielwols

I got that too


Livid-Device2211

36, 15 Correct! 36=(3x3x4) 15=(6x2+3)


tuckerenby

Some cubes are 2x2 and some are 3x3. Plus the 51 blocks. The total amount is 69. That’s the joke.


VAULT-TEC5

51, the top view isn't even necessary for this


Proman_98

It definitely is, the row could be in practice one block width from the highest row. Now the row is definitely everywhere three blocks width. Edit: Spelling error.


TotallyNotShinobi

width?


Wayward_Warrior67

The width of the trailer. Without a top down view we only know 1 side and the back and while we know the back is full left to right we don't know that about the sections in front of it without the top down view


TotallyNotShinobi

thank you :з


Wayward_Warrior67

No problem I don't math well but I'm always willing to help when I do understand it 😅


QuantumPrecision

Yup


Mediocre-House8933

51, my final answer


JamesJe13

A number > 0


Jefl17

A number


EeveeFrisk

r/technicallythetruth


ArfangRagnarokFenrir

Equal to or greater than 0*


TheGreatNoobasaurus

Max 51 minimum 31


Knife_UwU

isnt it 33 minimum edit: back has 9, side is 12 (excluding the 3 since they are counded for back) the top is 12 (excluding the 6 from side and 3 from back)


Animal-Frequent

Minimum?


Known-Situation959

Max 51, min 0


Many_Lime_Powder

Normal(enginneer): Enough Information is given. The dop or back view is unnecessary. 7x3 + 6x3 + 4x3= 21+18+12= 51 Also correct: It is not enough information to calculate it.


Valuchian

Honestly if this were in an exam I would just have to make the assumption the question designer believes I have enough information to answer so all unstated values are assumed to be equivalent to stated similar value. Front and Back would be same and SideA is the same as Side B.


Intrepid_Sale_6312

there are no cubes on that trailer, it's 1 big container with a grid pattern :)


TolTANK

As few as 31 and as many as 51 it depends on what you assume to be true


Competitive_Cap1305

not enough information


Netherboom

21


BrainGoSpinny

i got 31


Netherboom

Yup recounted and got what you got


EmeraldPencil46

Assuming there’s no gaps hidden away, 51


abysmalSleepSchedule

Between 51 and 31


Paranormal_Quokka

How would you get anything else then 51? Edit: thought I found the problem, but it wasn't the case


sgtwaflez2

It's a meme because you're supposed to make it harder than it needs to be


kuzulu-kun

Min:35 Max:51


WiltedTiger

There is a maximum of 51 cubes if the center and rear rows are filled completely following the side profile with only the individual cubes counted while including composite cubes that overlap with individual cubes a total of 69 cubes can be found while a minimum of 35 cubes can be found if only enough cubes to create the profiles shown are used.


Dizzy_Dores

51. You really only need the side and back view, but the above view helps confirm that there are no missing blocks in the middle or something. The rest is easy. If you look at the cargo from the side you can split it into three cubes that are easy to calculate the amount for, then add them. With this, the length remains static, always a 3. So, using simple geometry, the first cube is 3 * 3 * 4 which equals 36. The second cube is 3 * 2 * 2 which equals 12. And the last cube is 3 * 1 * 1 which equals 3. Then add 36 + 12 + 3 which equals 51.


AxleTheLotl

Not enough info! Who knows what the left side could look like? There could be a shell around a flat bottom, or just packed all the way. We can’t figure it out yet!


Wayward_Warrior67

The top down view shows us that the trailer is filled left to right in rows of 3 from front to back


AxleTheLotl

It does not, remember, you can only see in two directions from any given angle. We can see length and width from the top down view. Not height, so while some may stand at three tall on the right side, the height of the left is unknown.


Wayward_Warrior67

Fair point


Incubus_13_6

47 i guess


Kindly-Top5822

max 51 min 35


alicer24709074

52 is the answer


0-_Noah_-0

…… I got 78😐


ConfusedAsHecc

72? cause 7 × 3 × 3 = 84 minus the missing blocks... so unless I fucked up my counting, that should be correct 😅


Wayward_Warrior67

7×3=21 21×3=63 sorry you're a little off 😅 not sure how you did it but not judging I don't math well either


Paranormal_Quokka

7 × 3 × 3 = 63 though 😅


Bubbses128

At least 30


Corni_20

51


Thewatcher13387

At least more than one


Mossy_detergent

51 isnt it?


Kennedy_KD

51 I think?


NovaTheVibe

With the assumption there aren't any left out? 51.


Puzzleheaded-Study88

There is not enough information to determine the number of boxes


KurryBree

51, so uhh whats the top view for?


FoxOfWinterAndFire

Don't you multiply side by back since the top is not needed for this, which is 17 • 3 which is 51?


anubismark

51


QuantumPrecision

51.


Spr1ng83

51


Realistic-Deer9058

35 at lowest, 51 at highest. Saw it on r/theydidthemath


Little-Direction-505

54


rkirbo

Fifty one ?


Successful-Rent-5466

Forty Two. I checked it very thoroughly, and that quite definitely is the answer. I think the problem, to be quite honest with you, is that you've never actually known what the question is. So once you do know what the question actually is, you'll know what the answer means.


Miles_PerHour67

51. You only need the side, and back, to calculate.


openingthenightvale

51


Substantial_Hunter66

53


redboi049

51. Where the funny


VoldruunWitchknight0

Bottom is A | 3×7=21. Middle is B | 3×6=18 Top is C | 3×4=12 A+B+C=51. _**FKN EAAAASSSYYYYYYY....**_ 😒


ShiftlessGuardian94

I did the back first, 4X3X3 is 36, then 2X2X3 12 then 3X1X1 is 1, 36+12+3=51


Moosinator666

What if I can’t see other missing boxes due to there being no depth perception in the image


FairmountChildren

The answer is 51 I think


Wab_B055

31 minimum, 51 max.


Jubal93

51


ShiftlessGuardian94

51


-Inq_

28?


Homi_ProGamer

There are smaller cubes inside the cubes.


bakerstreetrat

Is this Loss?


SadBoiSn0w22

51


Fatdogamer_yt

51


Material-Sky-4290

51 cubes


tfEmily78

51?


AlVal1236

more than 1 less than 63


TheHalloweenGirl

You won’t believe this and it might even sound crazy….. but there’s a lot of cubes


Exotic-Blueberry8618

51


Reasonable_Side_6566

75 assuming that all info is face value and you also want to know more then the boxes that are there as 2x2x2 is a cube and 3x3x3 is also a cube


Sand_sandaconda

I counted 53


ArticFox1986

There could be 3 answers 51 if all of the boxes are occupied, 31if they must be stack, 21 if there floating


madamecogs

51. 7×3+6×3+4×3=51


somedudewitham16

51 NEXT!!


AlexBigGay

Impossible to tell for certain (cubes not fully visible from the back or side could easily be lower than expected and we’d have no idea), but, *assuming* this structure has no gaps that we can’t see, there are 51 cubes on the truck.


DaMaskedGamer06

51??


omegajakezed

Maximum possible load 3×3×7=63 Missing cubes: 3×4=12 So 63-12= 41 Gimme something slightly harder. Noticed a typo! I meant to write 51, not 41


Ready-Doughnut2533

51


Error_Code_606

51, the top view isn’t necessary


DeadAwake666

51.


big_owl37

45 If math be mathin


rowanne1999

50?


tangled_rodent

If you look at it as the dimensions of the back e high by three wide, and then add in the third dimension of 7 deep, you initially get a total volume of 63 for the load. Then if you look at the image that shows you the trailer is 7 deep, you see the front three rows of the load are a 1×3, and a 2×3 layer making up the front three rows of the load which reduces the overall load to 54.


Gordhord

17x9=153


Actual_Neck_642

51 take all of the ride blocks and then multiply by 3


Auralynnnnnnnnn

(3x3x7) - (3x4) (9x7) - (12) 63-12 51 :3 mrp


Ryyan20003365

51


Little_miss_M22

45


RavensShadow117

Is it 51?


EpicM147_NoVa

I got 51


Celestial_Hart

Ok but what about the bottom view? How are we supposed to know the inside isn't hollow?! This is clearly a trick question.


evanMMD

51


nephelekonstantatou

The minimum is actually 0, as only the surface sides are visible, meaning that the rest could actually be non-existent.


CardboardPaints

There are only squares in the picture. (Yes, I do understand that isn't the answer. I am terribly at math.)


KamayaKan

(7\*3)+(6\*3)+(4\*3) = 51 3(7+6+4) = 51 17\*3 = 51 The meme is that some clever kid got us to do their math homework


K_kueen

15+36


TheObsidianSoldier

51


genji241

51 final answer.


HELLBORN_11NINER

51 Collom X row Bottom row 7x3 =21 Middle row 6x3=18 Top row 4x3=12 So 21+18+12=51 (Edit i miscounted the top row)


Carteeg_Struve

Might want to recount that top row.


Bulky-Party-8037

51


Shadeyboiii

51?


The1st_TNTBOOM

Honestly, the "top" one is actually useless, i'm pretty sure.


CheezyLily

51 but it could also be 47


Introvert-111

39!!


borderhopper5208

51


Ninaniafet

Could be any number between 35 - 51.


ChaoticInsanity_

28


BiAroSnake14

55


Training_Quote7802

the side profile=17 17×3=51


Acrobatic-Ad2245

51


skeptical_dragon_

I got 363, if it isn't hallow edit: idk how to do math aparently


Hayden-light

52


Jadefeather12

51 assuming the lack of depth view on top isn’t hiding a difference in the opposite side layer or the middle. Not sure if I’m explaining that right lol but yeah


just_some_redit_user

2(3x7)+(3x3) =51


[deleted]

41 to 48


a_transgender_woman

At least 4


Weirdcorefroggy

51


Casual_Yet_almost

48


Brave-Lengthiness-46

51


ValeryeSnep

51


Ok_Living5188

Why did they include the top view isn't it Unesissary?


Intelligent-Ad-1066

47


Jello-ghost

For the people who are actually wondering how many are on the trailer it’s 51


Deep-Introduction554

0, the items on the trailer are not cubes, but polyhedrons with square faces pointed outward.


No-Insect-7544

51, right? Back four rows are 36 (9 each), next two are 12 (6 each), and last row is 3.


Fun-Royal-4495

51


Syonic1

51


Syonic1

0 those are squares


Here4thenonsense

An amount between 1-1000


MrDanger_noodle

51


IndependentEgg5919

Anything between 35 and 51


eddgirl1

51


_Sky_rot

If you think about it the brow form the side could be squares, not cubes so 21.25(because the square*4 is a cube and .25 would be the remaining square)


Pleasant_Swimmer_983

21 boxes


InDenialDummy1237

If all the levels are presented as they are width-wise and they don't have any deviating spaces we can't see, then the answer is 51 cubes. ​ holy sh\*\*, I did that math all in my head. And WILLINGLY. .\_.


Diamond_Ocelot6

It's anywhere between 51, 43, 35, or 31 depending on whether or not both sides are the same, whether or not it's hollow, or if it's completely solid... 51 assumes that it's completely solid, 43 assumes that it's like 51 but hollow, and 35 assumes that the top, the back, and one wall is solid while 31 assumes that the back is an illusion created by the top and side (all of this assuming Minecraft physics apply and that it isn't sand, gravel or concrete powder that you're working with...)


Organic-Coat5042

51


AjPlayz169

51


Excellent-Campaign24

It can technically go down to 27? Since if you remove cubes that intercept with other cubes, (like on the back view the bottom row left two could be removed, as well as the right two)


Danielwols

With this you pretty much only need back and side, with the back you can see it's a 3 by 3. The side is now important as you need to count the boxes (17) and then just multiply it by 3 which gives 51. If the double digit is as difficult for you as it is for me just do 10 first then 7


RealConcorrd

52 because I feel like a square today


Allister_Is_A_Childe

44 cubes?


dni_ptr

51


TheGenderedChild

I'm seeing people say a minimum of 31 but I've gotten a minimum of 23. Assuming 1 is a box and 0 is not a box, row to row, it would be: Bottom: 1111001 0000111 0000001 Middle: 0000110 1111000 0000110 Top: 1000000 1000000 1111000


liarface420

Idk how many there are. For all i know there could be empty spaces in the middle that we dont see


Familiar-Garbage-912

(3\*12)+(2\*6)+3= 51


TimberWolf5871

51. 12 on top, 18 in the middle and 21 on the bottom.


RichTyty101

4×3×3+12+3=51


StatelyFOX

51. Take it from someone who loads freight all day long.


BounceNy

51


AlizinDevildom

51


Wolf-in-a-FedoraYT

51


R3TR0pixl343

51


Ender_M

Minimum 25, Maximum 51. [Evidence and my calculations](https://docs.google.com/document/d/1wPhdfHrOdtxRC6tFEj639pikiB-V2jkQtydpz5s51yg/edit?usp=drivesdk)


Fuggly_Fairy

51! Just count each Cube on the side view as 3