Question

Melinda wants to paint exterior lateral surface of her house it is 9 ft high and has a perimeter of 140 ft each gallon of paint covers 300 square feet how many 1 gallon cans of paint does she need to paint her house

Answer 1

She needs to buy two 1 gallon cans

high 9 ft=1side=9ft

2 sides=18ft

140-18=122 122/2=61 the other side is 61ft

Area 61x9=549 squared ft

549/300=1.83 cans

She will need to buy two 1 gallon cans