SOLUTION: If tbone can paint a car in 4 hours and walker texas ranger can paint the same car in 6 hours, how long will it take them to paint the car together?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: If tbone can paint a car in 4 hours and walker texas ranger can paint the same car in 6 hours, how long will it take them to paint the car together?      Log On


   

Question 144970: If tbone can paint a car in 4 hours and walker texas ranger can paint the same car in 6 hours, how long will it take them to paint the car together?
Found 2 solutions by jephkapi, vleith:
Answer by jephkapi(1) About Me  (Show Source):
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
tbone can do 1/4 car per hour
texas can do 1/6 car per hour
together they can do 1%2F4+%2B+1%2F6 per hour
3%2F12+%2B+2%2F12 = 5%2F12 per hour
How many hours to do a whole car
5/12 * t = 1
t = 12/5 = 2.5 hours