A man travels for 6 hours at a rate of 50 miles per hour. His return trip takes him 7.5 hours. What is his average speed for the whole trip?
A. 44.4 miles per hour
B. 45.0 miles per hour
C. 46.8 miles per hour
D. 48.2 miles per hour
E. 50.0 miles per hour
সঠিক উত্তরঃ
A.
44.4 miles per hour
Explanation:
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