document.write( "Question 862092: When working alone, Bill can clean the house in 8 hours and Mary can clean in 4 hours. If they work together, how long should it take them. \n" ); document.write( "
Algebra.Com's Answer #519504 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
1/8+1/4=1/x
\n" ); document.write( "1/8+2/8=1/x
\n" ); document.write( "3/8=1/x
\n" ); document.write( "x=8/3
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