SOLUTION: A tank is fitted with a pipe that can fill it in three hours and a pipe that can empty it in six hours. If both pipes are open, how long will it take to fill the empty tank?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: A tank is fitted with a pipe that can fill it in three hours and a pipe that can empty it in six hours. If both pipes are open, how long will it take to fill the empty tank?      Log On


   

Question 1129121: A tank is fitted with a pipe that can fill it in three hours and a pipe that can empty it in six hours. If both pipes are open, how long will it take to fill the empty tank?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F3-1%2F6
2%2F6-1%2F6
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6 hours to FILL, both pipes open