SOLUTION: ONE SMALL PIPE TAKES TWICE AS LONG TO FILL A TANK AS A LARGER PIPE DOES. IT TAKES THE TWO PIPES 40 MINUTES TO FILL THE TANK WHEN WORKING TOGETHER. HOW LONG WILL IT TAKE EACH PIPE

Algebra.Com
Question 173394: ONE SMALL PIPE TAKES TWICE AS LONG TO FILL A TANK AS A LARGER PIPE DOES. IT TAKES THE TWO PIPES 40 MINUTES TO FILL THE TANK WHEN WORKING TOGETHER. HOW LONG WILL IT TAKE EACH PIPE INDIVIDUALLY TO FILL THE TANK?
Found 2 solutions by midwood_trail, Mathtut:
Answer by midwood_trail(310)   (Show Source): You can put this solution on YOUR website!
I think the equation you need is
1/2x + 1/x = 2/3
Solve for x.
The answer you are searching for must be greater than 40 minutes.
Can you take it from here?

Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!
rate for large pipe call 1/x and rate of small pipe 1/2x.
:

:

:

:

:
minutes for large pipe to fill tank alone
:
minutes for small pipe to fill tank alone
:

RELATED QUESTIONS

A small pipe takes 24 minutes to fill a tank than it takes a large pipe. The two pipes... (answered by richwmiller)
A small water pipe takes twice as long to fill a tank as does a larger water pipe. With... (answered by rwm)
There are two intake pipes to a large storage tank. Using the smaller pipe alone, it... (answered by ankor@dixie-net.com)
There are two intake pipes to a large storage tank. Using the smaller pipe alone, it... (answered by josmiceli)
Together, two pipes can fill a tank in 3 hours. If the smaller pipe takes 7 hours to fill (answered by josmiceli)
One pipe can fill a tank three times as fast as another. When both pipes are used, it... (answered by Fombitz)
A small pipe can fill a tank in 8 min more time than it takes a larger pipe to fill the... (answered by ikleyn)
the larger of two pipes can fill a tank twice as fast as the smaller pipes. together the... (answered by Edwin McCravy)
One pipe can fill a tank in 40 minutes while another takes 60 minutes to fill the same... (answered by josmiceli)