- A12 h
- B
- C30 h
- D20 h
Step-by-Step Solution
Outlets: . Net emptying , so the inlet adds → 20 h h is the two outlets together.)
Answer: D) 20 h
A tank has two outlets that empty it in 12 and 15 hours, and one inlet. With all three open, the full tank empties in 10 hours. How long does the inlet alone take to fill the empty tank?
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