How to Calculate the Weight of Cannon

I was at the Houston Museum of Natural Science last Saturday at the Real Pirates exhibit. Here’s the fun math thing I learned:

Post your thoughts in the comments or request an explanation of some other math around us.

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One Response to How to Calculate the Weight of Cannon

  1. And extra points if you can find the arithmetic error.

    (Everyone makes mistakes – even the ones who’ve been doing it for 20 years!)


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