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During AMC 10A/12A testing, the AoPS Wiki is in read-only mode and no edits can be made.

Resources Aops Wiki 2023 AMC 12B Problems/Problem 15: Revision history

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2023 AMC 12B Problems/Problem 15: Revision history

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25 August 2025

curprev 19:2719:27, 25 August 2025 Pinotation talk contribs 9,278 bytes +13 →Solution 6 (Intuitive Risking)
curprev 19:2619:26, 25 August 2025 Pinotation talk contribs 9,265 bytes +1,891 →Solution 5 (Rigorous)

16 February 2025

curprev 17:3417:34, 16 February 2025 Yunboz talk contribs m 7,374 bytes −1 →Solution 1 (Guess and check + Contrapositive)

21 October 2024

curprev 06:2006:20, 21 October 2024 Tsun26 talk contribs 7,375 bytes −14 →Solution 5 (Rigorous)
curprev 06:1806:18, 21 October 2024 Tsun26 talk contribs 7,389 bytes +35 →Solution 5 (Rigorous)
curprev 06:1706:17, 21 October 2024 Tsun26 talk contribs 7,354 bytes +652 No edit summary

5 October 2024

curprev 10:4310:43, 5 October 2024 Avm2023 talk contribs 6,702 bytes +37 →Solution 1 (Guess and check + Contrapositive)
curprev 10:4010:40, 5 October 2024 Avm2023 talk contribs 6,665 bytes −25 →Solution 1 (Guess and check + Contrapositive)

3 October 2024

curprev 14:3314:33, 3 October 2024 Yunboz talk contribs m 6,690 bytes +27 →Solution 1 (Guess and check + Contrapositive)

1 October 2024

curprev 23:2623:26, 1 October 2024 Elizabethli talk contribs 6,663 bytes +12 →Solution 1 (Guess and check + Contrapositive)
curprev 23:1623:16, 1 October 2024 Elizabethli talk contribs m 6,651 bytes −22 →Solution 1 (Guess and check + Contrapositive)
curprev 23:1323:13, 1 October 2024 Elizabethli talk contribs m 6,673 bytes 0 →Solution 1 (Guess and check + Contrapositive)

28 September 2024

curprev 16:5516:55, 28 September 2024 Rtx3090 talk contribs m 6,673 bytes −83 →Video Solution by MegaMath

2 August 2024

curprev 12:4612:46, 2 August 2024 Cappucher talk contribs m 6,756 bytes −1 →Solution 3 (Answer Choices)

21 April 2024

curprev 12:3412:34, 21 April 2024 Xhypotenuse talk contribs 6,757 bytes +6 No edit summary
curprev 12:3312:33, 21 April 2024 Xhypotenuse talk contribs 6,751 bytes +25 No edit summary
curprev 12:3212:32, 21 April 2024 Xhypotenuse talk contribs 6,726 bytes −5 No edit summary
curprev 12:3112:31, 21 April 2024 Xhypotenuse talk contribs 6,731 bytes −74 No edit summary
curprev 12:3012:30, 21 April 2024 Xhypotenuse talk contribs 6,805 bytes −21 No edit summary
curprev 12:2912:29, 21 April 2024 Xhypotenuse talk contribs 6,826 bytes +4 No edit summary
curprev 12:2812:28, 21 April 2024 Xhypotenuse talk contribs m 6,822 bytes +822 No edit summary

12 March 2024

curprev 09:2909:29, 12 March 2024 The 76923th talk contribs m 6,000 bytes +1 →Solution 1 (Guess and check + Contrapositive)

24 February 2024

curprev 12:1112:11, 24 February 2024 Megahertz13 talk contribs 5,999 bytes −98 →Video Solution 1 by MegaMath
curprev 12:1112:11, 24 February 2024 Megahertz13 talk contribs 6,097 bytes +82 →Problem

2 December 2023

curprev 13:4613:46, 2 December 2023 Daijobu talk contribs m 6,015 bytes +102 No edit summary

20 November 2023

curprev 20:3320:33, 20 November 2023 Growingdaisy talk contribs m 5,913 bytes −1 →Solution 3 (Answer Choices)
curprev 20:3320:33, 20 November 2023 Growingdaisy talk contribs m 5,914 bytes +1 →Solution 3 (Answer Choices)
curprev 01:5301:53, 20 November 2023 Professorchenedu talk contribs 5,913 bytes +126 No edit summary

18 November 2023

curprev 21:0421:04, 18 November 2023 Megahertz13 talk contribs 5,787 bytes +97 →Video Solution 1 by OmegaLearn

15 November 2023

curprev 21:2621:26, 15 November 2023 Pi is 3.14 talk contribs 5,690 bytes +65 No edit summary
curprev 21:1021:10, 15 November 2023 Pi is 3.14 talk contribs 5,625 bytes −64 No edit summary
curprev 20:3620:36, 15 November 2023 Pi is 3.14 talk contribs 5,689 bytes +65 No edit summary
curprev 20:1420:14, 15 November 2023 Technodoggo talk contribs 5,624 bytes +1,893 rewrote sol 1 for immense clarity improvement
curprev 19:5019:50, 15 November 2023 A mathemagician talk contribs 3,731 bytes +84 No edit summary
curprev 19:4619:46, 15 November 2023 Eevee9406 talk contribs 3,647 bytes +280 insert question
curprev 19:4519:45, 15 November 2023 Eevee9406 talk contribs 3,367 bytes +172 redirect
curprev 19:3019:30, 15 November 2023 Eric-z talk contribs 3,195 bytes +76 →Solution 3
curprev 19:2519:25, 15 November 2023 Spencerd. talk contribs m 3,119 bytes +2 No edit summary
curprev 19:2519:25, 15 November 2023 Spencerd. talk contribs 3,117 bytes +24 No edit summary
curprev 19:2219:22, 15 November 2023 Spencerd. talk contribs 3,093 bytes +437 No edit summary
curprev 19:0419:04, 15 November 2023 Gabew1234 talk contribs 2,656 bytes +2,257 →Problem
curprev 17:4417:44, 15 November 2023 Eunicorn0716 talk contribs 399 bytes +27 →Problem
curprev 17:4417:44, 15 November 2023 Eunicorn0716 talk contribs 372 bytes +8 →Problem
curprev 17:4317:43, 15 November 2023 Eunicorn0716 talk contribs 364 bytes +364 →Problem

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