What's the average of 5 MPG and 10 MPG?
The math isn't quite obvious to me, but if you go out camping and get 5 MPG on the way to the campground and turn around and get 10 MGP on the way back, your average MPG won't be 7.5 as you would expe...
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toedtoes wrote:Great point. I saw the same comment you did. But I'm glad you responded anyway because it makes the math more obvious. I like how you explained it.
You can average them if the GALLONS USED is the same - not the distance. The gallons used is the denominator - you have to have a common denominator in order to simply average the numerator.
EDIT: the post I was responding to just simply disappeared. Someone had posted that you could average the two MPGs together as long as the distance was exactly the same for each mpg calculation. Guess they figured out their error.
