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

2015-11-14T21:58:18+05:30
Theoretically it is impossible as all the time is already gone in covering half the distance at half speed.
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2015-11-15T07:12:11+05:30
Your train is already gone.
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