SOLUTION: A certain pipe can fill up a tank 2 hours faster than another pipe. It takes 3 hours for both pipes to fill up the same tank. In how many hours would the first pipe fill up the tan

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: A certain pipe can fill up a tank 2 hours faster than another pipe. It takes 3 hours for both pipes to fill up the same tank. In how many hours would the first pipe fill up the tan      Log On


   

Question 1167609: A certain pipe can fill up a tank 2 hours faster than another pipe. It takes 3 hours for both pipes to fill up the same tank. In how many hours would the first pipe fill up the tank?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
very similar to a few already answered 

certain pipe       1/(t-2)

another pipe       1/t

both                1/3

1%2F%28t-2%29%2B1%2Ft=1%2F3
.
.
system%28t-2=5.16%2Cand%2Ct=7.16%29