document.write( "Question 1167051: John can build pegpin twice as fast as Ruel.working together,it takes them 5hours .How long would it have taken John working alone? \n" ); document.write( "

Algebra.Com's Answer #791622 by ikleyn(52943) $\"\"$ $\"About$

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\n" ); document.write( "John can build $\"highlight%28cross%28pegpin%29%29\"$ pig-pen twice as fast as Ruel. Working together, it takes them 5 hours.
\n" ); document.write( "How long would it have taken John working alone?
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document.write( "It means that in 5 hours, John makes   of the job.\r\n" );
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document.write( "Hence, it will take John 2.5 hours to make    of the job.\r\n" );
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document.write( "Therefore, John can complete the entire job in  3*2.5 hours = 7.5 hours = 7 hours and 30 minutes working alone    ANSWER\r\n" );
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