A passenger car and a freight car leave from station a and B at the same time, and they meet after 6 hours After the meeting, the two cars continued to move forward at the same speed. It took another four hours for the bus to reach the second place. How many hours for the truck to reach the first place?

A passenger car and a freight car leave from station a and B at the same time, and they meet after 6 hours After the meeting, the two cars continued to move forward at the same speed. It took another four hours for the bus to reach the second place. How many hours for the truck to reach the first place?

6 / 4 * 6 = 9 hours