document.write( "Question 951433: It takes Ralph 8 hours to paint a fence alone. Lisa can do the same job in 12 hours. If Ralph paints alone for 10 minutes before Lisa begins helping, how long must they work together to finish painting the fence? Give your answer as a simplified fraction. \n" ); document.write( "
Algebra.Com's Answer #581082 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( " It takes Ralph 8 hours to paint a fence alone. Lisa can do the same job in 12 hours. If Ralph paints alone for 10 minutes before Lisa begins helping, how long must they work together to finish painting the fence? Give your answer as a simplified fraction.
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Time taken for both to complete painting: \"highlight_green%2847%2F10%29\" hours \n" );
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