Solve the Problem $\times 20$ In $\times 100$ In
B) $\frac { 80 } { 3 }$

Multiple Choice

Solve the problem.
-A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) does not exceed 120 in. Suppose you want to mail a box with square sides so that its
Dimensions are h by h by w and it's girth is 2h + 2w. What dimensions will give the box its largest volume?

A) 20 in. $\times 20$ in. $\times 100$ in.
B) $\frac { 80 } { 3 }$ in. $\times \frac { 80 } { 3 }$ in. $\times 20$ in.
C) 40 in. $\times 20$ in. $\times 40$ in.
D) 20 in. $\times 20$ in. $\times 40$ in.