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4 October, 14:22

A rectangle's length and width are in a ratio of 9:2. The perimeter is 66 inches. What are the length and width?

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  1. 4 October, 17:51
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    Perimeter of rectangle 2 (L + W)

    But we are given L/W = 9/2, & W = 2L/9

    Perimeter of rectangle 2 (L + W) = 2 (L + 2L/9) = 66 in

    = 2L+4L/9 = 66 in (same denominator, L = 594/27 or L=22 in and W = 11
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