This is a MAML (Maine Association of Math Leagues) problem from October 2000 (Meet 1 of 2000-2001), Round 1, Problem 2:: http://maml.net/problems.htm
Also, this was recorded with gtk-recordMyDesktop: http://recordmydesktop.sourceforge.ne...
The math writings were made on Emacs: https://www.gnu.org/software/emacs/
Also, turn the captions on to understand the audio better.
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