SOLUTION: Using the tap it takes aaron 4 minutes to fill his wading pool. Using the neighbors hose it takes 12 minutes. how long would it take if he used both the tap and the hose?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Using the tap it takes aaron 4 minutes to fill his wading pool. Using the neighbors hose it takes 12 minutes. how long would it take if he used both the tap and the hose?       Log On


   

Question 450932: Using the tap it takes aaron 4 minutes to fill his wading pool. Using the neighbors hose it takes 12 minutes. how long would it take if he used both the tap and the hose?
Found 2 solutions by jorel1380, mananth:
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
t/4+t/12=1
3t+4t=12
7t=12
t=12/7 mins.

Answer by mananth(16949) About Me  (Show Source):
You can put this solution on YOUR website!
Filling the pool 1 job
Tap 4minutes
It does 1/ 4 jobs in 1 minute
Hose 12 minutes
It does 1/12 of thejob in 1 minute
Pipe III 0 minutes
It does #DIV/0! of the job in 1 minute

Together they will do 1/ 4+ 1/12
Together they will do 1/ 3of the job in one minute 0.33
So they will take 3 minutes
m.ananth@hotmail.ca