Quote:
Originally Posted by Daithi
The way they did it on the show was to take 1 coin from bag one, 2 coins from bag two, and 3 coins from bag three and weigh them all. If all the bags had real gold they would weigh 6 oz., but if bag 1 had the fake gold the coins would weigh 6.1 oz. If bag 2 had the fake gold the coins would weigh 6.2 oz., and if bag 3 had the real gold the coins would weigh 6.3 oz.
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Ah - when you said "Let's say the real gold weighs 1 oz. a coin and the fake gold weighs just a little more at 1.1 oz. per coin." I thought that was just an example of how the weights might be different. (And, incidentally, an odd example. Things that are denser than gold are hard to come by, so having fake gold coins weighing more than the real gold coins struck me as very peculiar.)
I'm glad you liked my solution, even if it wasn't the one you were looking for!