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Perimeter = length + length + width + width

Let "w" = width, then "7w" must equal the length (because it's 7 times the width)

7w + 7w + w + w = perimeter

16w = perimeter

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โˆ™ 2010-03-18 03:16:10
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Q: What is an expression for the perimeter of a rectangle that has a length which is seven times its width?
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