7 pumps, working 10 hours a day, can empty a tank in 20 days. How many hours a…
2024
7 pumps, working 10 hours a day, can empty a tank in 20 days. How many hours a day must 5 pumps operate to empty the tank in 14 days?
Answer: A. 20 hours
- A.
20 hours
- B.
18 hours
- C.
16 hours
- D.
14 hours
Attempted by 12 students.
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Correct answer: A
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