One way to keep moisture out of your basement is to paint the walls with waterproof paint.

One way to keep moisture out of your basement is to paint the walls with waterproof paint. The number g(of gallons)of paint you need varies directly with the area A of the basement. One gallon of paint covers 100 square feet.a)write a direct variation equation that relates g and A (solve for k first)b)how many gallons (g) do you need to cover 530 square feet?c)how many square feet (A) does 8.5 gallons of paint cover?