Time remaining:
Mathematics word problem

Mathematics
Tutor: None Selected Time limit: 1 Day

Math Problem: there are 3 pumps that fill a pool the first pump can fill the pool in 3 hours the second pump can fill the pull in 4 hours and the 3rd can fill the pool in 6 hours how long would it take to fill the pool if all 3 pumps are running at the same time

Apr 8th, 2015

in 1 hour,

pump A does 1/3 of job

pump B does 1/4 of job

pump c does 1/6 of job

so in 1 hour, job done= 1/3+1/4+1/6= 9/12

total job= 12/12 is done in;

time= 12/9 hours= 1 hour 20 minutes........................................please best me

Apr 8th, 2015

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Apr 8th, 2015
...
Apr 8th, 2015
Mar 30th, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer