Decision Science News

Daily Archive August 3rd, 2018

The 18 cent piece

Filed in Encyclopedia ,Ideas
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WHAT SET OF COINS MINIMIZES THE AVERAGE NUMBER OF COINS NEEDED TO MAKE CHANGE? We draw your attention to the cleverly-titled article What This Country Needs is an 18 Cent Piece. It’s a piece of recreational mathematics that asks the question “what set of coins minimizes the average number of coins needed to make change”? […]

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