Found this gem of a problem at the airport. What questions would you ask?#mathchat #MTBoS cc @jstevens009 http://pic.twitter.com/cVjSyTxIUZ
— Ilona Vashchyshyn (@vaslona) August 4, 2016
via Twitter https://twitter.com/vaslona
August 04, 2016 at 12:35PM
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