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Miguel wants to paint the living room. The room is rectangular 15 ft long and 12 ft wide the height of the room is 9 there are 4 rectangular windows in the room that are each 3 ft wide and 4 ft hight. He will not paint the windows the floor or the ceiling. How many square ft of wall does Miguel need to paint?

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Milliecartier

Answer:

Total surface areas of all the walls (excluding ceilings and floor)= 2(9 x 15)+ 2(9x 12) = 486 ft^2

Deducting away surface area of the windows= 486 - 4 (3x 4) = 438 ft^2

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