SOLUTION: Team a can setup chairs in the gym in 15 mins and team b can setup chairs in 20 mins.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Team a can setup chairs in the gym in 15 mins and team b can setup chairs in 20 mins.      Log On


   

Question 721167: Team a can setup chairs in the gym in 15 mins and team b can setup chairs in 20
mins.
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
IF YOUR ASKING HOW LONG WILL IT TAKE THEM WORKING TOGETHER?
THEN:
1/15+1/20=1/X
(20+15)/15*20=1/X
35/300=1/X CROSS MULTIPLY.
35X=300
X=300/35
X=8.57 MINUTES WORKING TOGETHER.