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March 28, 2017

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The perimeter of a rectangle equals the sum of the lengths of its four sides. If the width of a rectangle is 3 inches and its perimeter is 42 inches, find the length of the rectangle

  • MTH208 - ,

    P = 2L + 2W

    42 = 2L + 2(3)

    42 = 2L + 6

    42 - 6 = 2L

    36 = 2L

    18 = L

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