SOLUTION: if i drive 20 miles to school, and it takes me 30 minutes to get here, what is my average speed in miles per hour?

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Question 915706: if i drive 20 miles to school, and it takes me 30 minutes to get here, what is my average speed in miles per hour?
Answer by tonyclarke(17) About Me  (Show Source):
You can put this solution on YOUR website!
20 miles in 30 mins
try 60 minutes in an hour so double the 30 minutes to make 60
in turn double the 20 miles to get 40 miles in one hour
so the average is 40mph