SOLUTION: Ben can paint a kitchen in 5 hours. Courtney can paint the same room in 6 hours. How long will it take them, working together, to paint the kitchen?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Ben can paint a kitchen in 5 hours. Courtney can paint the same room in 6 hours. How long will it take them, working together, to paint the kitchen?      Log On


   

Question 301024: Ben can paint a kitchen in 5 hours. Courtney can paint the same room in 6 hours. How long will it take them, working together, to paint the kitchen?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
1/5+1/6=1/x
(6+5)/5*6)=1/x
11/30=1/x
11x=30
x=30/11
x=2.7 hours working togeter.