Question

Elaine has a customer who needs a box with a volume of 12 cubic inches. The customer want to know what size box is the least expensive to buy.
.the price will be based on surface area. the supplier charges 1/2 cent persquare inch.

.the dimensions of the box are whole numbers

What size bos do you reccommend that elaine's customer buy? write a report to elaine that shows your work and explains your reccommendation.

I do not think that this is 6 grade work can someone help me with this?

Answer 1

Volume
cube = a^3

Surface Area
cube = 6 a^2

cubed root of 12sqin= cubed root of a
2.28942848511sqin=a

(6)2.28942848511sqin^2=31.4488962095

31.4488962095 x .5 cents=15.7244481048

Answer 2

6_5