A runner runs 147 meters in 24.4 seconds. Find the runner's average speed in miles per hour. Round your answer to three decimal places. Use the fact that 1 mile \approx 1.609 kilometers. mph Fun fact: Usain Bolt broke the world record in the 100 m dash with an average speed of 23.72 miles per hour.
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To convert meters to kilometers, we divide by 1000. 147 meters = 147/1000 kilometers = 0.147 kilometers Show more…
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