Respuesta :

280 ft^2 ------- 4/5 gallon paint Area -------------- 3 gallon paint

Solve this problem using a rule of three

280 ft^2 ------------- 4/5 gallons

x ------------- 3 gallons

x = (3 x 280) / 4/5

Simplification

x = 840/ 4/5

x = 1050 ft^2

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