## Task 3 - 040813

On a double-track route to the suburb of a large city, a tram departs from the starting station and from the terminal station every 10 minutes and each requires 50 minutes of travel time. The dwell time at these two stations is 10 minutes each.

How many trams are in operation on this route in total?
At departure time, there are 2 trams at the starting station and 2 trams at the end station. Additionally, 2 trams are 10 min, 20 min, 30 min, and 40 min into their journeys. Therefore, a total of 12 trams are in operation.