Question

The volume of a cube shaped fish tank in Guy Harvey restaurant is 64 cubic feet, the cube-shaped fish tank in the gift shop is 8 cubic feet. What is the difference between the lengths of the sides?

Answer 1

The difference between the lengths of the sides are 8 cubic feet

Answer 2

v=side^3
64cubicfeet=side^3
cube both sides
4ft=side

difference=8ft-4ft=4ft

the difference is 4ft