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Ratios, rates, proportional relationships, and units SAT question

Math · Problem-Solving and Data Analysis · Medium · Answer it here, explanation included.

A competition consisted of four different events. One participant completed the first event with an average speed of $20.300$ miles per hour. What was this average speed, in yards per hour? $(1 mile = 1, 760 yards)$

Enter a number or fraction (like 3/17 or 0.176). Press Enter to check.

ExplanationShow

The correct answer is $35, 728$ . It's given that $1 mile = 1, 760 yards$ . It follows that an average speed of $20.300$ miles per hour is equivalent to $(\frac{20.300 miles}{1 hour}) (\frac{1 , 760 yards}{1 mile})$ , or $35, 728$ yards per hour.

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