User contributions
- 12:51, 30 January 2018 (diff | hist) . . (+28) . . 2011 AMC 12A Problems/Problem 16 (→Solution 2)
- 12:50, 30 January 2018 (diff | hist) . . (+22) . . 2011 AMC 12A Problems/Problem 16 (→Solution 2)
- 12:49, 30 January 2018 (diff | hist) . . (+1,490) . . 2011 AMC 12A Problems/Problem 16 (→Solution)