Error: I'm afraid this is the first I've heard of a "trackback" flavoured Blosxom. Try dropping the "/+trackback" bit from the end of the URL.

Fri, 20 Jan 2006

Artur’s test
The monk climbs the mountain from 6am to 6pm. And the next day while he is descending from 6am to 6pm, a priest climbs. The priest gets to the top at 6pm, which is the same time that the monk gets to the bottom.

Is there a time that they are ever at the same height?

I solved this equationally at shopzilla somehow. I solved it graphically at shopzilla. The next day, I realized, that the picture of someone going down the other side was a red herring: if I had only reflected the downward trip on the upward trip, I would have noticed that they would cross paths! #