SOLUTION: At what speed would I have to drive in order to travel 9 miles in 22.5 minutes?
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Question 498514: At what speed would I have to drive in order to travel 9 miles in 22.5 minutes?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
22.5 minutes is one-half of 45 minutes. 45 minutes is three-quarters of an hour, half of three-quarters is three-eighths, so 22.5 minutes is three-eighths of an hour. Divide 9 miles by 3/8 hour, which is to say multiply 9 by 8/3 to get miles per hour (remember invert and multiply?). The rest is up to you.
John
My calculator said it, I believe it, that settles it
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