document.write( "Question 666104: A painter can paint a certain house in 12 hours by herself but it takes her helper 15 hours to do the same job himself. the painter starts the job alone but her helper her 5 hours later. How long will it take the two of them together to finish painting the house? \n" ); document.write( "

Algebra.Com's Answer #414260 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "A painter can paint a certain house in 12 hours by herself: 
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document.write( "In 5hrs  done.   of the house remaining to complete
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document.write( "helper 15 hours to do the same job himself:
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document.write( "   = 9/60  of the house per hour together
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document.write( " = 35/9 hr   remaining time together \n" );
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