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19 July, 22:31

The length of a rectangle is 3.5 inches more tan its width. The perimeter of the rectangle is 31 inches. Find the length and the width of the rectangle. Explain

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  1. 19 July, 23:51
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    Length (L) : w + 3.5

    width (w) : w

    Perimeter (P) = 2L + 2w

    31 = 2 (w + 3.5) + 2 (w)

    31 = 2w + 7 + 2w

    31 = 4w + 7

    24 = 4w

    6 = w

    Length (L) : w + 3.5 = (6) + 3.5 = 9.5

    Answer: width = 6 inches, length = 9.5 inches
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