Question

Asked Nov 11, 2019

A jogger passed me as I was walking down the street yesterday. I wondered whether I could figure out how fast she was running, so I started paying attention to where the jogger was. When she passed a fire hydrant a short distance in front of me, I began to count seconds. It took me 7 seconds to get to the hydrant, but when I reached the hydrant I looked up to see that she was just passing a parking meter. I again counted seconds until I reached the parking meter, and it took me 10 seconds. When I reached the parking meter, she was passing a light pole. It took me 14 seconds to reach the light pole. I knew that I walked two paces in 1 second, and my pace was 1 yard long. Approximately how fast, in miles per hour, was the jogger moving? (Round your answer to the nearest tenth.)

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