Razia spent 3 hours climbing 6 miles up a hill. She spent 2 hours coming down the hill in a different path which had a length of 8 miles. For Razia's completed climb up and down the hil , what was her average speed, in miles per hour?
A. 2.0
B. 2.5
C. 2.8
D. 3.0
E. None of these
সঠিক উত্তরঃ
C.
2.8
Explanation:
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