Question

. You are mailing a gift box that is 18 inches by 8 inches by 12 inches. You
want to put it in a larger box and surround it with foam packing. The larger
box is 20 inches by 12 inches by 15 inches. How many cubic inches are
there for the foam packing?

Answer 1

Cubic inches of first box = 18 x 8 x 12 = 1,728 cubic inches

Cubic inches of larger box = 20 x 12 x 15 = 3,600 cubic inches.

Cubic inches for packing foam = 3600 - 1728 = 1,872 cubic inches

Answer: 1,872 cubic inches