Multiple Choice
A track star ran exactly 400 meters in 45.23 seconds.What was the average speed in miles per hour?
A) 19.8 miles/h
B) 19.78 miles/h
C) 8.844 miles/h
D) 0.3297 miles/h
E) 8.84 miles/h
Correct Answer:
Verified
Correct Answer:
Verified
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