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perimeter equals 2 times width plus 2 times length so, perimeter equals 2(3n+2)+2(n-1) = 6n+6+2n-2 = 8n+4.

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โˆ™ 2009-08-29 08:54:19
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Q: What is the perimeter of a rectangle with width 3n plus 2 and length n-1?
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