document.write( "Question 469390: It takes John 3 hours to paint a house. Chris 2 hours and William 8 1/2 hours. If all 3 work together how long will it take all 3 of them? \n" ); document.write( "
Algebra.Com's Answer #322033 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
1/3+1/2+1/(17/2)=1/t
\n" ); document.write( "1/3+1/2+2/17=1/t
\n" ); document.write( "34t+51t+12t=102
\n" ); document.write( "97t=102
\n" ); document.write( "t=102/97 hours..
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