1 . Razia spent 3 hours climbing 6 miles up a hill. She spent 2 hours coming down the hill on a different path which had a length of 8 miles. For Razia's completed climb up and down the hill, what was her average speed in miles per hour?
- A. 2.0
- B. 2.5
- C. 2.8
- D. 3.0
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