Difficult Puzzle! How fast must I drive for the rest of the way to catch my train?I drive at an average speed of 30 miles per hour to the railroad station each morning and just catch my train. On a particular morning there was a lot of traffic and at the halfway point I found I had averaged only 15 miles per hour. How fast must I drive for the rest of the way to catch my train?

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Answers

2015-10-19T20:23:54+05:30
The train is just about to leave the station and there is no way I will be able to catch it this time.
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