This week’s problem set is #60: Problem Set #60. Have you every wondered why there are 60 seconds in a minute and 60 minutes in an hour? I think it’s amazing that our modern system of measuring time goes all the way back to the base-60 number system developed by the Sumerians at the dawn of civilization. You can read more in this Scientific American article.
About the Club…Challenge your mathematical problem solving skills with problems similar to those found on math contests such as the AMC 8, AMC 10, MATHCOUNTS, or the middle school math olympiads. I post a problem set each week, and then come back later in the week and post the answers and video solutions.