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Problem-Solving and Data Analysis / Ratios, rates, proportional relationships, and units Difficulty: Easy

A participant in a bicycle race completes the race with an average speed of $24,816$ yards per hour. What is this average speed, in miles per hour? $left parenthesis 1 mile equals 1,760 yards right parenthesis$

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Explanation

The correct answer is $14.1$ . It’s given that a participant completes the bicycle race with an average speed of $24,816$ yards per hour and $1 mile equals 1,760 yards$ . It follows that this average speed is equivalent to $(\frac{24,816 yards}{1 hour}) (\frac{1 mile}{1,760 yards})$ , which yields $StartFraction 14.1 miles Over 1 hour EndFraction$ , or $14.1$ miles per hour.