423,183 views
42 votes
42 votes
Pump B alone fills a tank in 9 hours. Pump C takes 15 hours to fill the same tank alone. If pumps A, B and C are used, the tank fills in 5 hours. How long does it take pump A to fill the the tank alone?

User Uuazed
by
3.1k points

1 Answer

14 votes
14 votes

Answer:

19

Explanation:

9+15=24

24-5=

19 is the answer

User Joeschwa
by
3.3k points
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