SOLUTION: Diane can finish a job in 5 hours. It takes Thomas 9 hours to complete the same job. How long will it take the two of them to complete the job if they work on it together. Express

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Question 258076: Diane can finish a job in 5 hours. It takes Thomas 9 hours to complete the same job. How long will it take the two of them to complete the job if they work on it together. Express your answer as a mixed number.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
x/5 + x/9 = 1

14x = 45

x = 3 3/14