a gallon of paint will cover 300 square feet surface area. how many gallons are needed to cover a rectangle surface 600 feet by 20 feet? my answer is 4 is my answer right?
Close. The answer is 40. 1 gallon of paint covers 300 square feet. Square feet is the units of area. So you are provided with the dimensions of the rectangle. 20 X 600. When you multiply that you get 12000. 12000 divides by 300 is 40.
