The train passed 352 km. 3 hours it went with a speed of 48 km/h. Passed the rest of a way in 4 hours. With what speed did the train other way go?

48
1) Passed 3 * 48 = 144 km in 3 hours 2) 352 - 144 = passed 208 km in 4 hours 3) 208: 4 = 52 km/h was it skorost352-144=208 km it was necessary to pass 208:4=52 km/h train speed in other way
237
Answer add