Mahib walked for two days. On the second day he walked 2 hours longer and at an average speed 1 mile per hour faster than he walked on the first day. If during the two days he walked a total of 64 miles and spent a total of 18 hours walking, what was his average speed on the first day?
A. 2 mph
B. 3 mph
C. 4 mph
D. 5 mph
E. 6 mph
সঠিক উত্তরঃ
B.
3 mph
Explanation:
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