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How many 4-inch by 8-inch bricks are needed to build a walk 6 feet wide and 24 feet long?
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A= 6*24 A=144ft^2 conver to in 144 * 12 = A = 1.728 in^2 A= 4*8 A= 32 in^2 1.728/32= 45 nedd 45 bricks
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