Mark’s Metrocard

Have you ever noticed the money left over on a Metrocard when you have “insufficient funds” to ride the train? Is it possible to break even? It seems to be part of an MTA conspiracy.

In this meeting on our third anniversary, I tried out a 3-Act Math Task I’ve been planning for a while. It’s got to do with the 5% bonus the MTA gives us on non-unlimited MetroCards and the odd remainders I often find when I run out of funds on the card.

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