SOLUTION: Two pipes together can fill a tank of water in 6 hours one of them takes 5 hours less than the other to fill it working alone. Find the time each will take to fill the tank.

Question 725146: Two pipes together can fill a tank of water in 6 hours one of them takes 5 hours less than
the other to fill it working alone. Find the time each will take to fill the tank.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add their rates of filling
Let = time in hrs for the slowest pipe to fill tank
= time in hrs for the faster pipe to fill tank
given:
( 1 tank filled / t hrs ) + ( 1 tank filled / t - 5 hrs ) = ( 1 tank filled / 6 hrs )

Multiply both sides by

( just by looking at it )
I get
hrs and
hrs
It can't be because I have to subtract 5 hrs for the slower pipe
and then I get a negative.
So, and

The slower pipe fills in 15 hrs
The faster pipe fills in 10 hrs
check:

OK
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