Question

A box is 20 centimeters long and 30 centimeters high. It's volume is 3,600 cubic centimeters. What is the width of the box?

Answer 1

First you have to add 20 and 30. That gives you 50. Then you divide 3,600 by 50 and that is 72. So 72 is the width.

Answer 2

We can start by looking at what we know.

We know that volume is equal to length x width x height. Filling in this equation with the values we're given:
20cm x width x 30cm =
3600cm^3

If we divide both sides by 20cm we get:
width x 30cm = 180cm^2

Next we can divide both sides by 30cm to get our answer:

width = 6cm