SOLUTION: 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? ___minutes

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 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? ___minutes      Log On


   

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?
___minutes.
i got 8.5714 but i was wrong.
please help me.
Thank you.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(15*20)/(15+20)=300/35=8.5714 MINUTES TO SET UP THE CHAIRS WORKING TOGETHER.
THIS IS THE CORRECT ANSWER!!!