document.write( "Question 296951: Randy Howe can paint his house in 9 hours. His sister Candy can paint the house in 15 hours. How many hours will it take them to paint the house if they work together? \n" ); document.write( "
Algebra.Com's Answer #213884 by richwmiller(17219)\"\" \"About 
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x/9+x/15=1
\n" ); document.write( "5x/45+3x/45=
\n" ); document.write( "8x/45=1
\n" ); document.write( "8x=45
\n" ); document.write( "x=45/8=5 5/8=5.625 hrs
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