document.write( "Question 1154231: Shirley and Jim, working together, can clean the house in 8 hours. Working alone, Jim takes twice as long as Shirley. How long does it take Shirley to clean the house alone? \n" ); document.write( "

Algebra.Com's Answer #776635 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "It is the same as if three instances of Jim complete the job in 8 hours.\r\n" );
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document.write( "Hence, one single Jim can do the job in 3*8 = 24 hours.\r\n" );
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document.write( "24 hours is twice as long as 12 hours - hence, the time for Shirley is 24/2 = 12 hours to complete the job alone.   ANSWER\r\n" );
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