SOLUTION: a water tank is being filled by two inlet pipes. pipe A can fill the tank three times as fast as pipe B. both pipes can fill the tank in 4 hours. how long does it take to fill the

Algebra ->  Rate-of-work-word-problems -> SOLUTION: a water tank is being filled by two inlet pipes. pipe A can fill the tank three times as fast as pipe B. both pipes can fill the tank in 4 hours. how long does it take to fill the       Log On


   

Question 864197: a water tank is being filled by two inlet pipes. pipe A can fill the tank three times as fast as pipe B. both pipes can fill the tank in 4 hours. how long does it take to fill the tank using only pipe B?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1/p+1/3p=1/4
3/3p+1/3p=1/4
4/3p=1/4
16=3p pipe B
16/3=p pipe A