document.write( "Question 619037: Brett can paint a room in exactly 6 hours. If Dave helps him, they can paint it in exactly 4 hours. How long would it take Dave to paint the room alone \n" ); document.write( "

Algebra.Com's Answer #389297 by richwmiller(17219) $\"\"$ $\"About$

You can put this solution on YOUR website!
4/6+4/x=1
\n" ); document.write( "2/3*4/x=1
\n" ); document.write( "4/x=1/3
\n" ); document.write( "x=12
\n" ); document.write( "12 hours for Dave alone.
\n" ); document.write( " \n" ); document.write( "

\n" );