algebra 1

A rectangular piece of cardboard has a perimeter of 88 cm. The length of the rectangle is 8 cm longer than three times the width. Find the length and width of the rectangle.

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  1. P = 2L + 2W

    88 = 2(3W + 8) + 2W

    88 = 8W + 16

    72 = 8W

    9 = W

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