SOLUTION: A,B and C working together can do a certain task in 6 hours. A & B can do the task in 9 hours, and B & C can do the task in hours. How long would it take each working alone to do

SOLUTION: A,B and C working together can do a certain task in 6 hours. A & B can do the task in 9 hours, and B & C can do the task in hours. How long would it take each working alone to do

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Question 678395: A,B and C working together can do a certain task in 6 hours. A & B can do the task in 9 hours, and B & C can do the task in hours. How long would it take each working alone to do the task?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
We need to know how many hours for B & C
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