Wednesday, June 13, 2007

Bait and Switch [Abstract]

In my previous post we solved yesterday's puzzle from Ripley's Believe It of Not! At the end I added a little note expressing doubt about the answer; it wasn't the nice round number I had expected. This morning I checked the comics to learn the answer and was surprised by what I found. As a reminder, here is the puzzle: Nelson travels half the distance to a nearby town in an old biplane that goes 20 times faster than he can walk. Although he could move twice as fast on foot, he rides the other half in a farmer’s cart. . . .

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