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October 21, 2014

October 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.

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