Question #6413828Single Choice
Algebra-1
Question
A pipe can fill a tank in 12 hours. Another pipe can fill the same tank in 15 hours. If both pipes are opened together for 3 hours, and then the second pipe is closed, how long will it take the first pipe to fill the remaining part of the tank?
Options
A
3 hours
B
3.6 hours
C
9.6 hours
D
6.6 hours
Answer & Analysis
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