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18 September, 07:24

The length of a new rectangular playing field is 4 yards longer than triple the width. if the perimeter of the rectangular playing field is 408 yards, what are it's dimensions?

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  1. 18 September, 08:21
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    The length is 4 yards longer than 3width so L = 3W+4

    perimeter equal 408 yards

    perimeter equal 2L + 2W = 2 (3W+4) + 2W

    408 = 6W + 8 + 2W

    400=8W

    W = 50

    L = 3*50 + 4 = 154

    L = 154

    W = 50

    P = 2L + 2W

    408 = 2*50 + 2*154

    408 = 100 + 308

    408 = 408

    hope that this is easy understandably
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