Mathematics · Time and Work
Pipe A can fill a tank in 6 hours, Pipe B can fill it in 8 hours, and Pipe C can empty it in 12 hours. If all the pipes are opened together, in how many hours will the tank be completely filled?
- 16 hours
- 23 hours
- 34 hours
- 44.8 hours✓
Correct answer
4.8 hours
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