Answer:
They can paint 1050 sq.feet with 3 gallons of paint
Explanation:
Given :Stacy and Neil painted 280 ft2 of there living room wall with 4/5 gallon of paint.
To Find : How many square feet can they paint with 3 gallons of paint?
Solution :
Area painted with
gallons of paint = 280
Area painted with 1 gallon of paint =

Area painted with 3 gallons of paint =

Hence they can paint 1050 sq.feet with 3 gallons of paint