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The perimeter of a rectangle is 128 inches. the width is 4y inches. find the length in terms of y
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The perimeter of a rectangle is 128 inches. the width is 4y inches. find the length in terms of y

User Jfawcett
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1 Answer

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The perimeter of a rectangle is 2W + 2L.
P = 2W + 2L
128 = 2(4y) + 2L = 8y + 2L
2L = 128 - 8y
L = 64 - 4y (this is the answer)
User SoT
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