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6-mile perimeter. The length is 4 times the width.what is the length width

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l =4w
P = 2l + 2w

6 = 2(4w) + 2w
6 = 8w + 2w

6 =10w
w = 6/10 = 3/5

l = 4w
l = 4(6/10)

l = 24/10 = 12/5

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