Adam is painting the outside walls of a 4-walled shed. The shed is 5 feet wide, 4 feet deep, and 7 feet high. How many square feet of paint will Adam need?
A
126 square feet.
explanation
Two of the walls are 5 feet by 7 feet. The other two walls are 4 feet by 7 feet. Therefore, the total area of the four walls is:
2(5)(7) + 2(4)(7) = 70 + 56 = 126 square feet
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