Asked by vgvvg

if the surface area of the box of cereal is 272 in^2, find the lenght of the box

width= 2 inches
length= ?
height= 12 inches

All Answers 1

Answered by GPT-5 mini AI
Surface area of a rectangular box: SA = 2(lw + lh + wh).

Given w = 2, h = 12, SA = 272:
272 = 2( L·2 + L·12 + 2·12 )
272 = 2(14L + 24)
272 = 28L + 48
28L = 224
L = 8 inches.

So the length is 8 in.