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pre-algebra

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the length of a rectangle is 10 inches more than its width. what are the dimensions of the rectangle if its perimeter is 80 inches?

  • pre-algebra -

    P = 2L + 2W
    80 = 2(W + 10) + 2W
    80 = 4W + 20
    60 = 4W
    15 = W

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