document.write( "Question 830196: Phillip can clean a garage in 9 hours less time than his brother Chris. Working together, they can do the job in 20 hours. How long would it take each one to do the job alone? \n" ); document.write( "
Algebra.Com's Answer #500421 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
1/x+1/(x-9)=1/20
\n" ); document.write( "x = 45
\n" ); document.write( "x-9=36
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