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The length of a rectangle is 15 m longer tan it's width. The perimeter of the rectangle is 74 cm. Find the length and width.

3 answers

  1. P = 2L + 2W

    74 = 2(W + 15) + 2W

    74 = 2W + 30 + 2W

    74 - 30 = 4W

    44 = 4W

    11 = W

  2. P = 2L + 2W

    74 = 2(W + 15) + 2W

    74 = 2W + 30 + 2W

    74 - 30 = 4W

    44 = 4W

    11 = W

  3. P = 2L + 2W

    74 = 2(W + 15) + 2W

    74 = 2W + 30 + 2W

    74 - 30 = 4W

    44 = 4W

    11 = W

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