SOLUTION: It takes Mary 6 days to complete a task. It takes Mike 8 days to do the same thing.If both work together, how long would it take?
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Question 357815: It takes Mary 6 days to complete a task. It takes Mike 8 days to do the same thing.If both work together, how long would it take? Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! It takes Mary 6 days to complete a task. It takes Mike 8 days to do the same thing.If both work together, how long would it take?
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mary 6 daysd to do the job
mike 8 days to do the job.
Mary does 1/6 of job in 1 day
Mike does 1/8 of the job in 1 day
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together they do 1/6 +1/8 of job in 1 day
=7/27 of the job in 1 day
OR 24/7 hours to do the job
= 3.42 hours
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m.ananth@hotmail.ca
