document.write( "Question 586412: I am doing a rational expression application work problm for my class and I want to make sure that I do the problem correctly.\r
\n" ); document.write( "\n" ); document.write( "My Work problm is:\r
\n" ); document.write( "\n" ); document.write( "It takes 7 hours for will to paint a house. Judy can paint the same house in 3 hours. How long will it take them to paint the house if they work together? \r
\n" ); document.write( "\n" ); document.write( "Would I start my rational expression as 1/7x + 1/3x? \r
\n" ); document.write( "\n" ); document.write( "thank you,\r
\n" ); document.write( "\n" ); document.write( "mm
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Algebra.Com's Answer #373762 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
\"x%2F7+%2B+x%2F3\" = 1 \n" ); document.write( "
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