A large pipe can fill a tank in 24 minutes less then it takes a smaller pipe to fill the same tank.
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A large pipe can fill a tank in 24 minutes less then it takes a smaller pipe to fill the same tank.

[From: ] [author: ] [Date: 11-06-15] [Hit: ]
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Working together, both pipes can fill the tank in 16min. How long would it take the larger pipe working alone to fill the tank?

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If the large pipe fills in X minutes then the fill rate is 1/X per minute.

1/X + 1/(X+24) = 1/16

Solve for X.
1
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