User contributions
- 00:55, 26 November 2016 (diff | hist) . . (-301) . . 2015 AMC 10A Problems/Problem 13 (→Solution 3)
- 00:55, 26 November 2016 (diff | hist) . . (+3) . . 2015 AMC 10A Problems/Problem 13 (→Solution 3)
- 00:54, 26 November 2016 (diff | hist) . . (+298) . . 2015 AMC 10A Problems/Problem 13 (→Solution 2)