## How many hours would it take Pump $$A$$ and Pump $$B$$ working together, each at its own constant rate, to empty a tank

##### This topic has expert replies
Legendary Member
Posts: 2898
Joined: 07 Sep 2017
Thanked: 6 times
Followed by:5 members

### How many hours would it take Pump $$A$$ and Pump $$B$$ working together, each at its own constant rate, to empty a tank

by Vincen » Wed Jan 12, 2022 10:09 am

00:00

A

B

C

D

E

## Global Stats

How many hours would it take Pump $$A$$ and Pump $$B$$ working together, each at its own constant rate, to empty a tank that was initially full?

(1) Working alone at its constant rate, Pump $$A$$ would empty the full tank in $$4$$ hours $$20$$ minutes.
(2) Working alone, Pump $$B$$ would empty the full tank at its constant rate of $$72$$ liters per minute.