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Elizabeth C. Gorski channels Lewis Carroll with this Thursday puzzle.
2013-06-19 02:50:54
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To the editor: I taught mathematics in Los Angeles for 30 years and retired to Las Vegas about four years ago. For the better part of the past two years, I have been a volunteer math coach at my local high school. After spending hundreds of hours in the
2013-06-20 02:00:00
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Dear Action Line: What is the mathematics on "topping off your air conditioner with Freon?" This costs more and more each year and lasts only a few weeks. - J.C., Tulsa.
2013-06-20 01:48:40
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