document.write( "Question 40876: Team x can set up chairs in the gym in 15minutes and team y can set up the chairs in 20 minutes. How long would it take them working together to set up the same chairs?
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Algebra.Com's Answer #26270 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
(15*20)/(15+20)=300/35=8.5714 MINUTES TO SET UP THE CHAIRS WORKING TOGETHER.\r
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