Rascal77s wrote:
Think of it this way- The bus covers 1 mile less than the car over 11.5 miles. At 73 mph it takes the car takes ~.1575 hours to cover the 11.5 miles therefore in 1 hour the bus travels ~6.3492 miles less than the car. Since you are using mph and the bus travels ~6.3492 miles less per hour than the car. Now you know the bus is traveling 66.65 mph.

That's okay. I slept on it and woke up realizing what I'd done. And it's not an unusual flip-flop in logic for me. I'm usually very good with math, but I do have an incessant need to find mental shortcuts. Unfortunately when I do that I often do reverse certain things. I've always thought of it as a form of mental dyslexia. Essentially I compared distances when I should have been comparing times.
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I'm not likely to be around much longer. As before when I first signed up here years ago, I'm finding that after a long hiatus, and after only a few days back on here, I'm spending way too much time here again already. So I'm requesting my account be locked, banned or whatever. It's just time. Until then, well, I dunno...