Posted by **Jaison** on Wednesday, March 23, 2011 at 8:54am.

One pump can empty a pool in 5 days, whereas a second pump can empty the pool in 7 days. How long will it take the 2 pumps, working together, to empty the pool?

Is the answer 2 11/12 days (3 days)

## Answer This Question

## Related Questions

- math - One pump can empty a pool in 5 days, whereas a second pump can empty the ...
- math - One pump can empty a pool in 5 days, whereas a second pump can empty the ...
- math - One pump can empty a pool in 5 days, whereas a second pump can empty the ...
- math-algebra - one pump can empty a pool in 5 days, wheras a second pump can ...
- college algebra - Pump A alone can empty the city pool in 12 hours. If only pump...
- Math - Each of three pumps A, B, C can pump water either into, or out of, a ...
- algebra - Pump A can fill a swimming pool in 6 hours and pump B can fill the ...
- Math - 3 pumps were used to empty a pond hold an unknown amount of water. If ...
- Physics - 2. A pool has an area A = 50 m2 and depth h = 2.5 m. The pool is ...
- Math - The Timuga swimming pool, of Manila City has two pumps it uses to fill ...

More Related Questions