SOLUTION: joe drove a rate of 24 mph for 3 hours then he drove at 40mph for another 5 hours. What is his average speed for the entire trip?

Question 492877: joe drove a rate of 24 mph for 3 hours then he drove at 40mph for another 5 hours. What is his average speed for the entire trip?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Average speed is always ( total distance ) / ( total time )
Is is NOT the average of 2 averages, so

mi
------------

mi
------------
The average speed is

His average speed is 34 mi/hr
------------------------
Note that the average of the averages is
and this is wrong
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