SOLUTION: NEED HELP ANSWER ASAP!!! DUE SOON!!! Diana’s garden hose can fill her swimming pool in 12 hours. Her neighbor has a hose that can fill the pool in 15 hours. How long will it tak

Algebra ->  Rate-of-work-word-problems -> SOLUTION: NEED HELP ANSWER ASAP!!! DUE SOON!!! Diana’s garden hose can fill her swimming pool in 12 hours. Her neighbor has a hose that can fill the pool in 15 hours. How long will it tak      Log On


   

Question 588454: NEED HELP ANSWER ASAP!!! DUE SOON!!!
Diana’s garden hose can fill her swimming pool in 12 hours. Her neighbor has a hose that can fill the pool in 15 hours. How long will it take to fill the pool using both hoses?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+1%2F12+%2B+1%2F15+=+1%2Ft+
+5%2F60+%2B+4%2F60+=+1%2Ft+
+9%2F60+=+1%2Ft+
+3%2F20+=+1%2Ft+
+3t+=+20+
+t+=+20%2F3+
Using both hoses, it will take 20/3 hours
or 6 hrs and 40 minutes