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  • 00:55, 17 February 2010 (diff | hist) . . (+349)‎ . . N 2002 AMC 10B Problems/Problem 25 ‎ (Created page with '== Problem == When 15 is appended to a list of integers, the mean is increased by 2. When 1 is appended to the enlarged list, the mean of the enlarged list is decreased by 1. How…')

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