Question 401191: If you drive 20 miles and it takes you 30 minutes, your average speed is _______.
Answer by sofiyac(983)   (Show Source):
You can put this solution on YOUR website! speed is distance/time and is usually given in miles per hour, so first we convert 30 minutes to hours, 30 minutes is half of an hour, so 0.5 hours.
so
speed=20/.5=40 miles per hour :)
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