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17 September, 00:07

The length of a rectangular garden is three feet less than twice it's width. If the perimeter of the garden is 42 feet, what is its length

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  1. 17 September, 02:46
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    Let the width be x

    Width = x

    Length = 2x - 3

    Perimeter = 2 (Length + Width) = 2 (x + 2x - 3) = 2 (3x - 3) = 6x - 6

    Given that the Perimeter is 42 feet,

    6x - 6 = 42

    6x = 42 + 6

    6x = 48

    x = 8

    Width = x = 8 feet

    Length = 2x - 3 = 2 (8) - 3 = 13 feet

    Answer: The length is 13 feet.
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