Lesson, Publisher, Math Snacks, Video, YouTube
Two besotted rulers must embrace proportional units in order to complete a bridge to unite their lands. It takes mathematical reasoning to deduce the problem, and solution, when engineers from Queentopia and Kingopolis try to build a bridge that meets in the middle of the river.
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16 July 2014 Edit: 17 July 2015
User submitted, thanks to Quyen Nguyen