A train traveled 210 miles in 3. 5 hours to its first stop. It then continued on traveling another 130 miles in 2. 5 hours. What was the average speed of the train for the entire journey? Round to the nearest tenth, if necessary. 52. 0 mi/h 56. 0 mi/h 56. 7 mi/h 60. 0 mi/h.
