SOLUTION: Working alone, Emma can clean the stable in 8 hours. If Victoria helps her,they can complete the job in 3 hours. How fast could Victoria clean the stable alone?

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Question 390171: Working alone, Emma can clean the stable in 8 hours. If Victoria helps her,they can complete the job in 3 hours. How fast could Victoria clean the stable alone?
Answer by mananth(16949) About Me  (Show Source):
You can put this solution on YOUR website!
Working alone, Emma can clean the stable in 8 hours. If Victoria helps her,they can complete the job in 3 hours. How fast could Victoria clean the stable alone?
...
Emma can clean the stable in 8 hours.
so she does 1/8 of the job in 1 hour
together can complete the job in 3 hours.
So they do 1/3 of the job in 1 hour
..
1/3-1/8 = job done by Victoria in 1 hour
(8-3)/24
=5/24
So Victoria will take 24/5 hours to do the job
=4.8 hours
..
m.ananth@hotmail.ca