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Can someone explain the uptown / downtown train story to me? If the downtown train arrives and departs a few minutes after the uptown train arrives and departs
by intellegacy 14y ago
Can someone explain the uptown / downtown train story to me?
If the downtown train arrives and departs a few minutes after the uptown train arrives and departs, respectively, why would he take the downtown train more? It seems to me that if he missed both trains, then he would take the uptown train, as it would arrive earlier.
- brucehart 14y agoHe is saying the opposite. The downtown train arrives on the hour and the uptown train arrives at 5 minutes after the hour.
- n09n 14y agoNo, he does not say the opposite: >even though the trains arrive with the same frequency, the downtown train departs just a few minutes after the uptown train has departed. Because of this, there is only a narrow time window in which the man is able to get on the uptown train. He should say it like you suggested though.
- brucehart 14y agoYou're right. I was looking at the diagram. Clearly the author accidentally swapped the two names in that sentence.
- alexfoo 14y agoThe description has it the other way. "The solution is that, even though the trains arrive with the same frequency, the downtown train departs just a few minutes after the uptown train has departed. Because of this, there is only a narrow time window in which the man is able to get on the uptown train." s/after/before/ to fix the explanation.
- n09n 14y agoYou are correct, he messed up telling the story.