User contributions
- 00:09, 6 January 2019 (diff | hist) . . (-1) . . 2018 AMC 10A Problems/Problem 21 (→Solution 5 (Cheating with Answer Choices))
- 00:09, 6 January 2019 (diff | hist) . . (-1) . . 2018 AMC 10A Problems/Problem 21 (→Solution 5 (Cheating with Answer Choices))