document.write( "Question 1038207: Paul can do a certain job in half the time that Jim requires to do it. Jim worked alone for an hour and stopped; then Paul completed the job in 10 hours. What length of time, in hours, would Paul, working alone, take to do the whole job? \n" ); document.write( "
Algebra.Com's Answer #652912 by mananth(16946)\"\" \"About 
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Paul can do a certain job in half the time that Jim requires to do it.\r
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\n" ); document.write( "\n" ); document.write( " Jim worked alone for an hour and stopped; then Paul completed the job in 10 hours. What length of time, in hours, would Paul, working alone, take to do the whole job?\r
\n" ); document.write( "\n" ); document.write( "Let jim take x hours to do the job\r
\n" ); document.write( "\n" ); document.write( "So he does 1/x of the job in 1 hour\r
\n" ); document.write( "\n" ); document.write( "Paul takes x/2 hours to do the job\r
\n" ); document.write( "\n" ); document.write( "so he does 2/x of the job in 1 hour\r
\n" ); document.write( "\n" ); document.write( "After jim worked for 1 hour balance job was \r
\n" ); document.write( "\n" ); document.write( "(1-1/x) = (x-1)/x \r
\n" ); document.write( "\n" ); document.write( "Paul does 2/x of the job in 1 hour\r
\n" ); document.write( "\n" ); document.write( "so he takes ((x-1)/x)/(2/x) hours to do the remaing job \r
\n" ); document.write( "\n" ); document.write( "((x-1)/x)/(2/x) = 10\r
\n" ); document.write( "\n" ); document.write( "(x-1)/x =5x\r
\n" ); document.write( "\n" ); document.write( "x-1=5
\n" ); document.write( "x= 4 No of hours Jim takes to complete the job\r
\n" ); document.write( "\n" ); document.write( "Paul will take 2 hours\r
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