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21 August, 03:54

Margaret is planning a rectangular garden. its length is 4ft less than twice its width. its area is 170 ft squared. what are the dimensions of the garden?

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  1. 21 August, 04:24
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    Let the width be x, it length is 2x - 4

    Area = length x width

    x (2x - 4) = 170

    2x^2 - 4x - 170 = 0

    x^2 - 2x - 85 = 0

    x = 10.27

    Therefore, the width ≈ 10.27 ft and the length is 2 (10.27) - 4 ≈ 16.54
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