SOLUTION: Rose can do a typing job in 5 hours. While Edna can do the job in 7 hours. How long will it take if both of them work together?

SOLUTION: Rose can do a typing job in 5 hours. While Edna can do the job in 7 hours. How long will it take if both of them work together?

Algebra.Com

Question 1024703: Rose can do a typing job in 5 hours. While Edna can do the job in 7 hours. How long will it take if both of them work together?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The rates combined for the two typists are additive.

This rate means TWELVE JOBS in THIRTY FIVE HOURS. You are looking for , the time in hours for 1 job.

2 hours 55 minutes
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