college algebra word problems 5

Mathematics
Tutor: None Selected Time limit: 1 Day

i am stuck on the following problem. here is a pic of the problem

http://imgur.com/CvLAT0P

any help would be appreciated

Dec 3rd, 2014

I am going to guess 10 becuase it takes 15 hours to drain with both pipes open but with not the pipe open that fills, its only draining so it wouldnt take 5 hours more to drain. I subtrated 5 from the 15. I couls be wrong, 

Dec 3rd, 2014

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Dec 3rd, 2014
...
Dec 3rd, 2014
Mar 29th, 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