Answer:
2.6 hours
Explanation:
Van's travel time to school
15:03 - 11:09 = 3 hours and 54 minutes = 3.9 hours
Car's travel time to school
15:24 - 14:06 = 1 hour and 18 minutes = 1.3 hours
Time for the car to pass by the van:
3.9 hours - 1.3 hours = 2.6 hours