An empty container is filled with pure a...

An empty container is filled with pure alcohol. The alcohol is slowly allowed to run out and when the container is 1/4 empty, it is replaced with water. Next, when the container is half empty it is again filled with water. Finally, when it is 3/4 empty, it is again filled with water. What percentage of container is alcohol now?

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The correct Answer is:

` 9 3/8` %

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