Question

The floor of a bedroom is 12 feet by 15 feet and the walls are 7 feet high. One gallon of paint covers 250 square feet. How many gallons of paint do you need to paint the walls and the ceiling of the bedroom?

Answer 1

Two walls are 12 feet by 7 feet.

A = 2 (12 * 7) = 168 square feet

Two walls are 15 feet by 7 feet. A = 2 (15 * 7) = 210 square feet

210 + 168 = 378 square feet of walls

It is one gallon of paint will cover the four walls.

Explanation: