document.write( "Question 611535: Adam, Beth, and Cory (working together) can paint a room in 6 hours less time than Adam working alone, one hour less than Beth working alone, and one-half the time needed for Cory working alone.
\n" ); document.write( "How long would it take Adam and Beth to paint the room working together (but without Cory)?
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Algebra.Com's Answer #385010 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
x/a+x/b+x/c=1
\n" ); document.write( "a=x+6
\n" ); document.write( "b=x+1
\n" ); document.write( "c=2x
\n" ); document.write( "y/a+y/b=1
\n" ); document.write( "a=20/3
\n" ); document.write( "b=5/3
\n" ); document.write( "c=4/3
\n" ); document.write( "x=2/3
\n" ); document.write( "y=4/3
\n" ); document.write( "4/3 hour for Adam and Beth working together.\r
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