document.write( "Question 1165522: It takes 3 people to clean a pool in 4 hours. How many people do we need to clean 6 pools in 8 hours? \r
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Algebra.Com's Answer #790030 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "One job (to clean 1 pool) is 3*4 = 12 man-hours.\r\n" );
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document.write( "6 pools is 6 jobs, and they require 6*12 = 72 man-hours.\r\n" );
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document.write( "The required number of people is   = 9.    ANSWER\r\n" );
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