Two pipes A and B are in 6 hours and 9 hours respectively. A tank can

1.	Two pipes A and B are in 6 hours and 9 hours respectively. A tank can be filled first, starting with Pipe A. They are alternately opened for 1 hour. How many hours will the tank be filled?
Answer» Answer: LET PIPE A is 1/6 in ONE hour and pipe B is 1/9 total is 1/6+1/9 =5/18

Two pipes A and B are in 6 hours and 9 hours respectively. A tank can be filled first, starting with Pipe A. They are alternately opened for 1 hour. How many hours will the tank be filled?

Answer»

Answer:

LET PIPE A is 1/6 in ONE hour

and pipe B is 1/9

total is 1/6+1/9

=5/18

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Two pipes A and B are in 6 hours and 9 hours respectively. A tank can be filled first, starting with Pipe A. They are alternately opened for 1 hour. How many hours will the tank be filled?​

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Two pipes A and B are in 6 hours and 9 hours respectively. A tank can be filled first, starting with Pipe A. They are alternately opened for 1 hour. How many hours will the tank be filled?