Question

How many gallons of paint are needed to paint the walls of a rectangular prism shaped room that is 15 feet by 10 feet and 8 feet high if 1 gallon of paint covers 40 square feet? Assume there are no doors or windows.

Answer 1

11.2 gallons.

Explanation:

We have been given that a rectangular​ prism-shaped room is 18 ft by 10 ft and 8 ft high. We are asked to find the gallons of paint needed to paint the walls of room.