Difference between revisions of "2013 AMC 10A Problems/Problem 6"

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Revision as of 22:28, 6 February 2013

Joey and his five brothers are ages 3, 5, 7, 9, 11, and 13. One afternoon two of his brothers whose ages sum to 16 went to the movies, two brothers younger than 10 went to play baseball, and Joey and the 5-year-old stayed home. How old is Joey?