SOLUTION: A tank has two pipes entering it. Pipe 1 alone fills the tank in 30min and together the pipes take 10min to fill the tank. How much time does pipe 2 need to fill the tank alone.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A tank has two pipes entering it. Pipe 1 alone fills the tank in 30min and together the pipes take 10min to fill the tank. How much time does pipe 2 need to fill the tank alone.      Log On


   

Question 245663: A tank has two pipes entering it. Pipe 1 alone fills the tank in 30min and together the pipes take 10min to fill the tank. How much time does pipe 2 need to fill the tank alone.
Answer by TheProdicalSon(34) About Me  (Show Source):
You can put this solution on YOUR website!
Pipe 1 = n
Pipe 2 = x
30n = 100%
10n + 10m = 100
-30n - 30m = -300
30n = 100
-30m = -200
m = 6.666667
n = 3.333333
Pipe 2 is twice as fast as Pipe 1


Pipe 2 takes 15 mintutes to do it alone.