Posted by **Anonymous** on Sunday, March 21, 2010 at 2:28pm.

One pump can drain the pool in 11 minutes. When a second pump is used, it only takes 9 minutes. How long would it take the second pump to drain the pool if it were the only pump in use?

## Answer This Question

## Related Questions

- Algebra - One pump can drain the pool in 11 minutes. When a second pump is used...
- Math - It takes an older pump 4 times as long to drain a certain pool as it does...
- college algebra - Pump A alone can empty the city pool in 12 hours. If only pump...
- Chemistry - To drain a round swimming pool that is 18.0 ft wide and 3.75 ft deep...
- algebra - Pump A can fill a swimming pool in 6 hours and pump B can fill the ...
- math-algebra - one pump can empty a pool in 5 days, wheras a second pump can ...
- math - If pump A and pump B work together, they can fill a pool in 4 hours. Pump...
- Algebra I - Pump A, working alone, can fill a tank in 3 hours, and pump B can ...
- Math - The Timuga swimming pool, of Manila City has two pumps it uses to fill ...
- math - One pump can empty a pool in 5 days, whereas a second pump can empty the ...

More Related Questions