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- 18:12, 4 February 2015 (diff | hist) . . (0) . . 2015 AMC 12A Problems/Problem 3 (→Problem)
- 18:12, 4 February 2015 (diff | hist) . . (+394) . . N 2015 AMC 12A Problems/Problem 3 (Created page with "==Problem== Mr. Patrick teaches math to 15 students. He was grading tests and found that when he graded everyone's test except Payton's, the average grade for the class was 80. A...")
