What was the average speed during the race in mph, rounded to the nearest whole number? explain

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What was the average speed during the race in mph, rounded to the nearest whole number? explain

[From: ] [author: ] [Date: 11-04-28] [Hit: ]

So for example we sometimes use miles per hour or miles/hour. For your question you will be using yards per second or yards/seconds.440/52.2=8.43yds/sec or rounding down 8 yds/sec-since 1 mile = 1760 yards. and we can write 52.......

the person ran a 440 yard race in 52.2 seconds.

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When looking for speed, it is distance/time. So for example we sometimes use miles per hour or miles/hour. For your question you will be using yards per second or yards/seconds.
440/52.2=8.43yds/sec or rounding down 8 yds/sec

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since 1 mile = 1760 yards. and we can write 52.2 seconds as 522/36000 hours. we can solve it now. 440 yards = 1/4 mile now easily solve it. in mph his speed is 0.25*36000/(522)

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