# SOLUTION: I am taking a practice test so I have the right answer, but i have no idea how to solve this. I have setting up charts, but it doesn't seem to work. I know that rate times time is

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 Word Problems: Travel and Distance Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Travel Word Problems Question 537365: I am taking a practice test so I have the right answer, but i have no idea how to solve this. I have setting up charts, but it doesn't seem to work. I know that rate times time is equal to distance. Please help. A racetrack measures 10 miles long. If an automobile completes the course in exactly 4 minutes, what is the average rate of speed in miles per hour?Answer by Edwin McCravy(8882)   (Show Source): You can put this solution on YOUR website!```A racetrack measures 10 miles long. If an automobile completes the course in exactly 4 minutes, what is the average rate of speed in miles per hour? 4 minutes is ths or th of an hour. So it's 10 miles per th hour. The word "per" means "over" or "divided by", so or 10miles÷ Put the word "hour" over 1 10miles÷ Multiply the fractions: 10miles÷ Invert and multiply: 10miles× 150 Edwin```