Question 988311
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W=width; L=length=5W-4; P=perimeter=136 inches
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P=2(L+W)Substitute for L
136 in=2((5W-4)+W) Divide each side by 2.
68 in=6W-4 Add 4 in to each side.
72 in=6W
12 in=W
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L=5W-4in=5(12)-4=60-4=56 in
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Area=LW=(56in)(12in)=672in^2
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ANSWER: The area is 672 square inches.