SOLUTION: Andrew and Kent do word processing. For a certain prospectus, Kent can prepare it 2 hrs faster than Andrew can. If they work together, they can do the entire prospectus in 5 hrs.

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Question 87047: Andrew and Kent do word processing. For a certain prospectus, Kent can prepare it 2 hrs faster than Andrew can. If they work together, they can do the entire prospectus in 5 hrs. How long will it take each of them working alone to prepare the prospectus? Round to the nearest tenth of an hour.
Answer by scianci(186) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = Andrew's time. Then, express Kent's time in terms of x. Then express Andrew's and Kent's per-hour rates in terms of x. Add these and set them equal to 1%2F5 [since, working together they can do 1%2F5 of the job in 1 hour.] SOlve for x.