40. Each edge of a cube is 4 inches long. Each edge of a second cube is triple the length of each edge of the first cube, The volume of the second cube is how many cubic inches bigger than the volume of the first cube?

Answer and Explanation

Your Answer is

Correct Answer is J

Explanation

The volume of a cube is the cube of the sides. The volume of the first cube is 43=64 cubic inches and the volume of the second cube is (4×3)3=123=1728 cubic inches, so an increase of 1728-64=1664 cubic inches. Therefore choose J.