SOLUTION: A tank has three pipes connected. The first, by itself, could fill the tank in 2 1/2 hr , the second in 2h , and the third in 1hr and 40 min . In how many minutes will the tank b
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Question 1055492: A tank has three pipes connected. The first, by itself, could fill the tank in 2 1/2 hr , the second in 2h , and the third in 1hr and 40 min . In how many minutes will the tank be filled? Answer by ikleyn(52908) (Show Source):
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A tank has three pipes connected. The first, by itself, could fill the tank in 2 1/2 hr , the second in 2h ,
and the third in 1hr and 40 min . In how many minutes will the tank be filled?
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1. h = 150 minutes.
2 hours = 120 minutes.
1 hour 40 minutes = 100 minutes.
2. 1-st pipe fills of the tank volume per minute.
2-nd pipe fills of the tank volume per minute.
3-rd pipe fills of the tank volume per minute.
3. The three pipes fill = = = of the tank volume per minute.
4. Hence, it will take 60 minutes = 1 hour for the three pipes to fill the tank.
