I don't hate math, that is just the title of the post - notice that I put it in quotes.
As you may know, I teach this physics course for elementary education majors (using Physics and Everyday Thinking - which is awesome). The curriculum has very little math in it. That is not necessarily a good thing, but it helps the students understand science and the nature of science without bringing in this mental block they have for math. One of the activities has them look at the energy efficiency of different devices. At the end of the activity, they are asked:
A fluorescent bulb is 25% efficient…
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