SOLUTION: an airplane traveled the first 96 miles of a flight at an average rate of speed of 16 miles per minute. It then traveled another 18 minutes at a rate of speed of 12 miles per minu
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Question 588442: an airplane traveled the first 96 miles of a flight at an average rate of speed of 16 miles per minute. It then traveled another 18 minutes at a rate of speed of 12 miles per minute. what is the average rate of sped for the whole flight.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The average speed is ( total distance ) / ( total time )
For 1st part of trip:
min
where is time in minutes
-----------
For 2nd part:
mi
------------
The total distance is:
mi
The total time in minutes is
min
The average speed for the who;e flight is 13 mi/min
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