SOLUTION: Cecelia takes 4 hours to do a job, it takes Aaron 6 hours to do the same job. How long will it take them working together to do the job?
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Question 270284: Cecelia takes 4 hours to do a job, it takes Aaron 6 hours to do the same job. How long will it take them working together to do the job?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
4*6/(4+6)
24/10=2.4 hours to complete the job working together.
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