document.write( "Question 390807: It takes Bill 4 hours to paint a house and it takes Charlie 6 hours to paint the same house. If they both paint the same house together how long would it take. \n" ); document.write( "
Algebra.Com's Answer #277187 by robertb(5830)\"\" \"About 
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\"x%281%2F4+%2B+1%2F6%29+=+1\" ===> x = 2.4 hours together. \n" ); document.write( "
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