Question

The base of a rectangular box measures 4 feet by 5 feet. if the volume is 100 cubic feet then the height is

Answer 1

Volume = length x width x height or V = lwh as a formula if you will.

Let's substitute what we know into the formula:

100 = 4(5)h multiply the 4(5) on the right side
100 = 20h divide both sides of the equation by 20
5 = h

the height of the rectangular box is 5 feet