Sharif ran a 2 mile race at an average speed of 8 miles per hour. If arif ran the same race at an average speed of 6 miles per hr. How many minutes longer than sharif did arif take to complete the race?
A. 20
B. 15
C. 12
D. 9
E. 5
সঠিক উত্তরঃ
E.
5
Explanation:
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