User contributions
- 19:29, 20 September 2015 (diff | hist) . . (-158) . . 2010 AMC 8 Problems/Problem 7 (→Solution)
- 19:24, 20 September 2015 (diff | hist) . . (+34) . . 2010 AMC 8 Problems/Problem 7 (→Solution)
- 19:19, 20 September 2015 (diff | hist) . . (-261) . . 2010 AMC 8 Problems/Problem 7 (→Solution)