Answer :
Based on the information provided about the return trip, the train's speed on its trip south was 6.36 miles per hour.
What is the distance between Pearl River and Hoboken?
- Distance = speed x time
- Distance = 10 miles per hour x 0.7 hours (42 minutes)
- Distance = 7 miles
What is the speed on the trip south?
- Speed = distance / time
- Speed= 7 miles / 1.1 (66 minutes)
- Speed= 6.36 miles per hour
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