A private shipping company will accept a box for domestic

Last updated: 7/15/2022

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? 40 in. x 20 in. x 40 in. 80 in. x 20 in. 20 in. x 20 in. x 40 in. 20 in. x 20 in. x 100 in.