A prism has a length of l, width of 3 feet, and height of 7 feet.

The volume of this rectangular prism is 84 ft3.
A prism has a length of l, width of 3 feet, and height of 7 feet.
The volume of this rectangular prism is 84 ft3.

What is the length of the prism?
28 ft
12 ft
8 ft
4 ft

2 answers

l * 3 * 7 = 84

Solve for l.
What is the width if the length is 7 ft and the height is 3 ft?