Difference between revisions of "2013 AMC 12B Problems/Problem 10"
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Revision as of 14:54, 22 February 2013
Problem
Alex has 
red tokens and blue tokens. There is a booth where Alex can give two red tokens and receive in return a silver token and a blue token, and another booth where Alex can give three blue tokens and receive in return a silver token and a red token. Alex continues to exchange tokens until no more exchanges are possible. How many silver tokens will Alex have at the end?
