document.write( "Question 1170261: tim can finish painting a barn in 10 hours. it takes his wife jo ann only 8 hours to do the same job. if they work together how long will it take them to complete the job? \n" ); document.write( "
Algebra.Com's Answer #795117 by josgarithmetic(39617)\"\" \"About 
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Their combined work rate, \"1%2F10%2B1%2F8\"
\n" ); document.write( "or
\n" ); document.write( "\"8%2F80%2B10%2F80\"\r
\n" ); document.write( "\n" ); document.write( "\"18%2F80\"\r
\n" ); document.write( "\n" ); document.write( "\"9%2F40\"\"jobs%2Fhours\"\r
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\n" ); document.write( "\n" ); document.write( "The TIME for the one job,
\n" ); document.write( "\"40%2F9\"\r
\n" ); document.write( "\n" ); document.write( "\"4%264%2F9\"\"hours\"
\n" ); document.write( "
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