SOLUTION: Rowena can complete typing the report in 8 hours. After she has been working for 2 hours, Florian, who is able to finish this job in 10 hours, is assigned to help her. In how many

Question 1011807: Rowena can complete typing the report in 8 hours. After she has been working for 2 hours, Florian, who is able to finish this job in 10 hours, is assigned to help her. In how many hours will Rowena and Florian complete the job if they work together?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!

           RATE AS JOB/HOURS
Rowena     
Florian    
BOTH

Let t be the time during which both work together.
Task for Rowena and Florian is to complete 1 job.

RT=J for relating rate, time, amount of job

Two hour for Rowana alone and then unknown t hours for both Rowena and Florian together.

Simplify and solve for t.

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