See, I knew this was the wrong crowd. The only person who has ever gotten this one when I asked was a math guy and understood the problem immediately. Other people just usually argue with me that "the average of 30 and 90 was 60 when I was in school." Never mind that speed is a function of distance and time.
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-Jeff
Rome did not create a great empire by having meetings; they did it by killing all those who opposed them.