The distance between stations A and B is 148 km. From station A to station B leaves an express train which proceeds with 80 km/h and at the same time from station B towards station A leaves a goods train with 36 km/h. We know that before the two trains meet at station C the express train made a 10min and the goods train – 5min. Find:
a) The distance between station C and station B
b) At what time the goods train left station B if the meeting with the express train at station C was at 12 o’clock.