User contributions
- 18:18, 21 February 2014 (diff | hist) . . (+15) . . 2014 AMC 12B Problems/Problem 21 (→Solution1)
- 18:17, 21 February 2014 (diff | hist) . . (+22) . . 2014 AMC 12B Problems/Problem 21 (→Solution1)
- 18:16, 21 February 2014 (diff | hist) . . (+3) . . 2014 AMC 12B Problems/Problem 21 (→Solution1)
- 18:15, 21 February 2014 (diff | hist) . . (+895) . . 2014 AMC 12B Problems/Problem 21 (→Solution)