document.write( "Question 633399: If I can do a job in 4 h and we can do the same job in 2 h, how long can you do the job alone? \n" ); document.write( "

Algebra.Com's Answer #398873 by Edwin McCravy(20056) $\"\"$ $\"About$

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If I can do a job in 4 h and we can do the same job in 2 h, how long can you do the job alone?
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document.write( "Since you can do the job in 4 hours, you can do half the job in 2 hours.\r\n" );
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document.write( "Therefore during that 2 hours when we did the job together, you did\r\n" );
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document.write( "half of it and I did the other half.  Therefore we work at the same\r\n" );
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document.write( "rate, so I can also do the job in 4 hours.\r\n" );
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document.write( "Answer: 4 hours.\r\n" );
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document.write( "Edwin

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