Question

Calculate the cost of manufacturing a standard cereal box if cardboard costs $0.05 per square inch and the measurements are Length: 8 in Width: 2.5 in and Height: 12 in

Answer 1

I forgot how to do these. Sorry.

Answer 2

That's Okay!

Answer 3

@AmTran_Bus do you know how to do this??

Answer 4

@Bigbosssaint21

Answer 5

do you know the formula for the total surface area of a rectangular prism?

Answer 6

2ab+2bc+2ac??

Answer 7

2×(8×2.5 + 8×12 + 2.5×12)

Answer 8

you were close

Answer 9

basically its 2 x ( ( Length X Width ) plus (length X Height) plus (Width X Height) )

Answer 10

Okay so that's 292. Now what do I do @Bigbosssaint21 ?

Answer 11

thats how many square inches there are in that cereal box, now we can figure out how much money it costs us to make one of those boxes by plugging in that number we got, how would we do that?

Answer 12

Do I multiply the price by the 292?

Answer 13

@Bigbosssaint21

Answer 14

yup

Answer 15

personally i think thats kind of expensive for a cereal box but, whatever

Answer 16

That gives me 14.60 though.

Answer 17

yup

Answer 18

I don't know how that is right and I measured a real box.

Answer 19

What do you think @agent0smith ?

Answer 20

what do you mean?

Answer 21

Find the surface area of the box, then multiply it by $0.05.

Answer 22

I know it can't cost $14.60 to make a box of cereal??

Answer 23

take a real box and flatten it out like this