document.write( "Question 1094827: Rahim can do certain work in 30 hours. If he and his son work together, the time taken is 20 hours. The son working in the same capacity as when he was working with his father, can finishing the work in \n" ); document.write( "
Algebra.Com's Answer #709416 by josgarithmetic(39792)\"\" \"About 
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If his son can do this one job in x hours, then \"1%2F30%2B1%2Fx=1%2F20\", and the time for son to do one job alone, x, can be solved for.\r
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\n" ); document.write( "\n" ); document.write( "\"x=60\"\"hours\"
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