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4 October, 18:44

A rectangular parking lot has a length that is 15 yards greater than the width. the area of the parking lot is 450 square yards. find the length and the width.

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  1. 4 October, 22:29
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    L = 15 + W

    Area = L x W

    450 = (15 + W) W = 15W + W^2

    W^2 + 15W - 450 = 0

    (W - 15) (W + 30) = 0

    W = 15

    L = 15 + 15 = 30

    length = 30 yards and width = 15 yards.
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