document.write( "Question 1077702: The workman A finishes the job 2 hours faster than the workman C, and 1 hour slower than workman B. If workman A and B work together the job will be finished in 1 hour and 12 minutes. For how long will all workmen finish the job \n" ); document.write( "
Algebra.Com's Answer #692165 by josgarithmetic(39630)\"\" \"About 
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Time for A to do 1 job, x.\r
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\n" ); document.write( "\n" ); document.write( "Time for B to do 1 job, x-1.\r
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\n" ); document.write( "\n" ); document.write( "Time for C to do 1 job, x+2.\r
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\n" ); document.write( "\n" ); document.write( "Workman A and B tegether:
\n" ); document.write( "\"1%2Fx%2B1%2F%28x-1%29=1%2612%2F60\"
\n" ); document.write( "Solve this for x, and then evaluate the one-job times for B and C.
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