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Melinda wants to paint the exterior lateral surface of her house. It is 9 feet high and has a perimeter of 140 feet. Each gallon of paint covers 300 square feet. How many one-gallon cans of paint does she need to buy to paint her house?

 Mar 15, 2020
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sq ft of the house    9 ft x 140 ft = 1260 ft2

 

1260 ft2 / 300 ft2/gal = 4.2 gal     she will need to buy  5  cans of paint.

 Mar 15, 2020

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