John can paint a fence in 9 hours. Tim can paint the same fence in 11 hours. How much time would the two working together need to paint the same fence? (Round your answer to the nearest hundredth.) @ashley_f97 @mathstudent55

Question

anonymous · Answer

this will help : http://www.algebra.com/algebra/homework/Rate-of-work-word-problems/Rate-of-work-word-problems.faq.question.360161.html

cwrw238 · Answer

shortie - use the same method we used in the previous problem  (jack and the trainee)