Pipes A and B, when working together, can fill an empty tank in 8 hours. If B is stopped after 2 hours, it will take a total of 11 hrs to fill the tank. How long would it take A to fill the empty tank alone?_x005F_x000D_

Pipes A and B, when working together, can fill an empty tank in 8 hour

1.	Pipes A and B, when working together, can fill an empty tank in 8 hours. If B is stopped after 2 hours, it will take a total of 11 hrs to fill the tank. How long would it take A to fill the empty tank alone?_x005F_x000D_
A.	15 hrs
B.	12 hrs
C.	13 hrs
D.	16 hrs
Answer» C. 13 hrs

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Pipes A and B, when working together, can fill an empty tank in 8 hours. If B is stopped after 2 hours, it will take a total of 11 hrs to fill the tank. How long would it take A to fill the empty tank alone?_x005F_x000D_

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