document.write( "Question 1176266: A cement mason can construct a retaining wall in 12 h. A second mason requires 10 h to do the same job. After working alone for 6 h, the first mason quits. How long will it take the second mason to complete the wall? \n" ); document.write( "
Algebra.Com's Answer #802762 by josgarithmetic(39617)\"\" \"About 
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First mason, 12 hours for 1 job
\n" ); document.write( "Second mason, 10 hours for 1 job
\n" ); document.write( "Time for second mason to finish, for the question, m.\r
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\n" ); document.write( "\n" ); document.write( "\"6%281%2F12%29%2Bm%281%2F10%29=1\"-------------Solve this for m.
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