SOLUTION: Solve the problem: Frank can type a report in 3 hours and James takes 4 hours. How long will it take the two of them typing together?

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Question 187523: Solve the problem: Frank can type a report in 3 hours and James takes 4 hours.
How long will it take the two of them typing together?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3*4/(3+4)=12/7=1.714 HOURS WORKING TOGETHER.