A train passes city X at 9.55 am and city Y at 10.15 am. The distance between cities X and Y is 45 miles. What is the average speed, in miles per hour, of the train?
A train passes city X at 9.55 am and city Y at 10.15 am. The distance between cities X and Y is 45 miles. What is the average speed, in miles per hour, of the train? Correct Answer 135