SOLUTION: Working together, Tom, Dick and Harry need 9 hours to paint a 400 meter long fence. Working alone, Tom could complete the task in 18 hours. Dick cannot work as fast and needs 36 ho

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Working together, Tom, Dick and Harry need 9 hours to paint a 400 meter long fence. Working alone, Tom could complete the task in 18 hours. Dick cannot work as fast and needs 36 ho      Log On


   

Question 894302: Working together, Tom, Dick and Harry need 9 hours to paint a 400 meter long fence. Working alone, Tom could complete the task in 18 hours. Dick cannot work as fast and needs 36 hours to paint the fence by himself. If Tom and Dick take the day off, how long will it take Harry to paint the fence by himself?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F18%2B1%2F36%2B1%2Fh=1%2F9
h = time for Harry to do 1 job himself.