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Mathematics 21 Online
OpenStudy (nsh4267):

A rectangular plot of ground having dimensions 26 feet by 30 feet is surrounded by a walk of uniform width. If the area of the walk is 240 ft squared, what is its width?

hartnn (hartnn):

|dw:1348492350286:dw| so the equation is (30+2x)(26+2x) - 30*26 = 240 got this?

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