- A25 h
- B30 h
- C11 h
- D1 h
Step-by-Step Solution
Leak rate = per hour, so it empties the tank in 30 h. (1 h is just 6 − 5.)
Answer: B) 30 h
A tank normally fills in 5 hours, but because of a leak in the bottom it takes 6 hours. How long would the leak alone take to empty the full tank?
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