Quote:
Originally Posted by Daithi
However, neither one of them explained why you can't just add 40 mph + 60 mph and divide by 2 to get the average miles per hour.
The reason is that Total Distance/Total Time is the time-weighted Average Speed, whereas (speed1 + speed2)/2 is the average speed where both speeds are given equal weight.
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I thought I did exactly that? But obviously not clearly enough!