document.write( "Question 386140: one man working alone can paint a room in 5 hours, another man can paint it in 7 hours alone. How long will it take two men working together to paint the room? \n" ); document.write( "

Algebra.Com's Answer #273012 by Alan3354(69443) $\"\"$ $\"About$

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\n" ); document.write( "Use the inverses, rooms per hour.\r
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