Art of Problem Solving

2012 AMC 8 Problems/Problem 9: Revision history

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  • curprev 13:2813:28, 23 November 2012 Bharatputra talk contribs 404 bytes +404 Created page with "The Fort Worth Zoo has a number of two-legged birds and a number of four-legged mammals. On one visit to the zoo, Margie counted 200 heads and 522 legs. How many of the animals t..."