The park manager wants to make a timetable for buses and mini_buses leaving the park at different times of the day, from 8:00am to 5:00pm. Buses and mini_buses leave the park at an interval of 40minutes and 50minutes respectively after loading. Both vehicles start bloading at the same time.
a) Draw a departure timetable for the 2 vehicles from 8:00am to 5:00pm.
b) Identify any time of the day when the two vehicles will leave the park at the same time.
c) How can traffic jam be controlled?