Post #212520

Author: sybeman
Parent topic: Help with a logic puzzle
Link to post in topic: https://originaltrilogy.com/post/id/212520/action/topic#212520
Date created: 23-May-2006, 2:51 AM

Let X represent the money in envelope one.
Let Y represent the money in envelope two.

Y = 2 X OR Y = X / 2

Therefore:

X = Y / 2 OR X = 2 Y

So as you can see, without knowing which envelope is which, both envelopes are equally likely to be the one containing more money.