SOLUTION: The north wall of a barn is a rectangle 21 feet high and 76 feet long. There are four windows in the wall, each 4 by 6 feet. If a gallon of paint will cover 375 ft2, how many gallo

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Question 887272: The north wall of a barn is a rectangle 21 feet high and 76 feet long. There are four windows in the wall, each 4 by 6 feet. If a gallon of paint will cover 375 ft2, how many gallons of paint must the painter buy to paint the wall?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
The area to be painted: 21%2A76-4%284%2A6%29, square feet. That is the Dimensions area minus the total window Dimensions area.

Area to Paint: 1500 square feet.

How much paint?
1500%2Aft%5E2%281%2Agal%2F%28375%2Aft%5E2%29%29