Thursday

December 18, 2014

December 18, 2014

Posted by **robin** on Saturday, January 26, 2013 at 3:52pm.

- math -
**Reiny**, Saturday, January 26, 2013 at 5:04pm3 pumps ----> working 6 hours --- 2 days

6 pumps ----> working 6 hours --- 1 day

1 pump -----> working 36 hrs ---- -1 day

9 pumps ----> working 4 hrs ------ 1 day

or

it takes 18 pump-hrs running for 2 days

it takes 36 pump-hrs to do it in 1 day

so 9 pumps would take 4 hrs to do it in 1 day

**Answer this Question**

**Related Questions**

college algebra - an inlet pipe can fill a large water tank in 3 hours. an ...

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. ...

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

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

math - a tank can be filled by one pipe in 3.5 hours and emptied by another in 4...

math - a tank can be filled by one pipe in 3 .5 hours and emptied by another in ...

math - ms. gries is an athlete. she is skis every day for 5 days. she skis for ...

maths - Three typists working 8 hours a day type a document in 10 days. If only ...

Math - A tank is filled with an intake pipe that will fill it in 5 hours and an ...