document.write( "Question 610989: Matt and Elaine, together, can paint a room in 3h. It would take Matt 5h to paint the room alone, how Long would it take elain to paint the room alone? \n" ); document.write( "
Algebra.Com's Answer #384813 by ankor@dixie-net.com(22740)\"\" \"About 
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Matt and Elaine, together, can paint a room in 3h.
\n" ); document.write( " It would take Matt 5h to paint the room alone, how Long would it take elain to paint the room alone?
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\n" ); document.write( "let x = time required by Elaine to do the job alone
\n" ); document.write( "Let the completed job = 1
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\n" ); document.write( "A typical shared work equation
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\n" ); document.write( "\"3%2F5\" + \"3%2Fx\" = 1
\n" ); document.write( "multiply by 5x
\n" ); document.write( "5x*\"3%2F5\" + 5x*\"3%2Fx\" = 5x
\n" ); document.write( "cancel the denominators
\n" ); document.write( "3x + 5(3) = 5x
\n" ); document.write( "15 = 5x - 3x
\n" ); document.write( "x = 15/2
\n" ); document.write( "x = 7.5 hrs Elaine alone
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