Mathematics · Time and Work
Pipes A and B can empty a full tank in 16 hours and 24 hours, respectively. Pipe C alone can fill the empty tank in 4 hours. If A, B and C are opened together, the tank will be 35% full after how many hours?
- 13 1/5 hours
- 23 2/5 hours
- 32 2/5 hours✓
- 42 1/5 hours
Correct answer
2 2/5 hours
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