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8 January, 13:45

The perimeter of a local dog park measures 158 feet. If the length of the park is 2 feet less than 1/2 the width, what are the dimensions of the dog park?

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  1. 8 January, 17:35
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    P = 2 (L + W)

    P = 158

    L = 1/2W - 2

    158 = 2 (1/2W - 2 + W)

    158 = 2 (1.5W - 2)

    158 = 3W - 4

    158 + 4 = 3W

    162 = 3W

    162/3 = W

    54 = W < = = = the width is 54 ft

    L = 1/2W - 2

    L = 1/2 (54) - 2

    L = 54/2 - 2

    L = 27 - 2

    L = 25 < = = = the length is 25 ft
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