document.write( "Question 255442: Phil can paint the garage in 12 hrs., and Rick can do it in 10 hrs. They work together for 3 hrs. How long will it take Rick to finish the job alone? \n" ); document.write( "
Algebra.Com's Answer #187707 by ankor@dixie-net.com(22740)\"\" \"About 
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Phil can paint the garage in 12 hrs., and Rick can do it in 10 hrs.
\n" ); document.write( " They work together for 3 hrs.
\n" ); document.write( "How long will it take Rick to finish the job alone?
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\n" ); document.write( "Let t = time for required by Rick to finish the job
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\n" ); document.write( "Let completed job = 1
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\n" ); document.write( "\"3%2F12\" + \"%28%28t%2B3%29%29%2F10\" = 1
\n" ); document.write( "Get rid of the denominators, multiply by 60, results:
\n" ); document.write( "5(3) + 6(t+3) = 60
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\n" ); document.write( "15 + 6t + 18 = 60
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\n" ); document.write( "6t = 60 - 15 - 18
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\n" ); document.write( "6t = 27
\n" ); document.write( "t = \"27%2F6\"
\n" ); document.write( "t = 4.5 hrs to complete the job
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\n" ); document.write( "Check solution (R works 7.5 hr)
\n" ); document.write( "3/12 + 7.5/10 =
\n" ); document.write( ".25 + .75 = 1 \n" ); document.write( "
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