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Mathematics 8 Online
OpenStudy (anonymous):

a 10 foot by 20 foot rectangular pool is surrounded by a walkway of uniform width. If the total area of the walkway is 136ft squared, how wide is the walkway?

OpenStudy (anonymous):

(x+10)(x+20)-200=136 is the equation no?

OpenStudy (anonymous):

no (2x+10)(2x+20)-200=136

OpenStudy (anonymous):

so solve that

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