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How to Fix an Election

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Author:Ivars Peterson (MathTrek)
Description: Voting sounds like a simple matter. Just pick a candidate, then count the ballots and announce the tally. When there are three or more candidates (or choices), however, the results may not actually reflect the true preferences of the voters. Suppose that a group of 15 people must decide which one of three beverages (milk, beer, or wine) to stock in the communal refrigerator. Six people prefer milk to wine to beer; five people prefer beer to wine to milk; and four people prefer wine to beer to milk...

Levels: Middle School (6-8), High School (9-12), College
Languages: English
Resource Types: Articles
Math Topics: Dynamical Systems, Algebraic Geometry

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