2020 AMC 12 A #25 December 10, 2022 mathproblemsolvingskills Share this:TwitterFacebookLike this:Like Loading... Related Published by mathproblemsolvingskills I coach students preparing for MathCounts and the AMCs, and I teach using curricula published by Art of Problem Solving. View all posts by mathproblemsolvingskills Share this:TwitterFacebookLike this:Like Loading...