Thursday

August 21, 2014

August 21, 2014

Posted by **ReRe Please Help!!** on Sunday, March 21, 2010 at 6:57pm.

- Algebra -
**Damon**, Sunday, March 21, 2010 at 7:11pmPump 1 drains 1/11 pools per minute

Pump 2 drains 1/x pools per minute

(1/11 +1/x)pools/min * 9min = 1 pool

(1/11 + 1/x) =1/9

1/x = 1/9 -1/11 = 11/99 -9/99 = 2/99

so the second pump does 2/99 pool;s per minute or

99/2 minutes per pool

- Algebra -
**ReRe Please Help!!**, Sunday, March 21, 2010 at 7:38pmDamon, Im not for sure what the 2/99 stands for.

- Algebra -
**PsyDAG**, Monday, March 22, 2010 at 11:22amIf the pool has 99 units, then the pump will drain 2 of these units per minute.

**Related Questions**

Algebra - One pump can drain the pool in 11 minutes. When a second pump is used...

algebra - Two pumps can fill a water tank in 256 minutes when working together. ...

Algebra I - Pump A, working alone, can fill a tank in 3 hours, and pump B can ...

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...

maths - One pump fills a tank two times as fast as another pump. If the pumps ...

Algebra - 2 pumps can fill a water tank in 45 minutes when working together. ...

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 ...