SOLUTION: One pump can empty a pool in 7 days, whereas a second pump can empty the pool in 11 days. How long will it take the two pumps, working together, to empty the pool?
It will take
Algebra.Com
Question 1160431: One pump can empty a pool in 7 days, whereas a second pump can empty the pool in 11 days. How long will it take the two pumps, working together, to empty the pool?
It will take the two pumps ? days to empty the pool together.
If needed, round answer to 3 decimal places.
Answer by josgarithmetic(39626) (Show Source): You can put this solution on YOUR website!
-----------------------------------------------------------------
It will take the two pumps ? days to empty the pool together.
--------------------------------------------------------------
It will take the two pumps days to empty the pool together.
--
--
--
Two different pumps, can empty a pool, ONE pool.
The rates of these pumps in POOL per DAYS:
and .
If both pumps are working at the same time, then their combined rate is
---------again this rate is POOLs PER DAYS.
Your questions asks for how many DAYS per POOL. This is the reciprocal , or DAYS to empty this ONE pool. You can do the necessary arithmetic.
RELATED QUESTIONS
One pump can empty a pool in 5 days, whereas a second pump can empty the pool in 7 days. (answered by mananth)
how long will it take 3 pumps to empty a pool working together?
pump one can empty in... (answered by jim_thompson5910)
One pump can empty the town swimming pool in 7h less time than a second pump can.... (answered by ikleyn)
Two inlet pipes can fill an empty swimming pool in 3 days and 6 days, respectively. A... (answered by ankor@dixie-net.com)
Two inlet pipes can fill an empty swimming pool in 3 days and 6 days, respectively. A... (answered by richwmiller)
One pump can empty a swimming pool in 10 hours. A second pump can empty the same pool in... (answered by stanbon)
two inlet pipes can fill an empty swimming pool in 3 days and 6 days respectively. A pump (answered by nerdybill)
pump A can fill a pool in 11 hrs and pump B can empty the same pool in 4 hrs.... (answered by josgarithmetic)
suppose that a small pump can empty a swimming pool in 60 hours and that a large pump can (answered by scott8148)