SOLUTION: If two inlet pipes are both open, they can fill a pool in 4 hours and 48 minutes. One of the pipes can fill the pool by itself in 8 hours. How long would it take the other pipe to

Question 632751: If two inlet pipes are both open, they can fill a pool in 4 hours and 48 minutes. One of the pipes can fill the pool by itself in 8 hours. How long would it take the other pipe to fill the pool by itself?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add the rates of filling
Let one pipe's rate = ( 1 pool filled ) / ( x hours )
The other pipe's rate = ( 1 pool filled ) / ( 8 hours )
Both pipes together = ( 1 pool filled ) / ( 4 and 48/60 hrs )
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Multiply both sides by

The other pipe takes 12 hrs to fill the pool
----------------
check:

OK
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