Brainteaser for January 13, 2011

Brainteaser for January 13, 2011 Question: I was out walking with my son David and as we approached a bridge I made him the following offer. "Walk across the bridge and back and I will double the amount of money in your pocket each time." He enthusiastically agreed. "But" I said "each time you must give me $24". Without a second thought David set out to earn his money after three trips he found he had no money left. How much money had he started with? (You can assume that I recieved the full $24 each time) Click here to check your answer. Find more Brain Teasers, Puzzles and Games to challenge the mind at The Brainteasers Network

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