A bus route takes 45 minutes. If it departs every 20 minutes, how many buses could be on the route at the same time?
Answer
3 buses
How to solve it
1
Route duration: 45 minutes
2
Departure interval: 20 minutes
3
Number of buses: 45 ÷ 20 = 2.25, round up to 3 buses
Hints
Divide route duration by departure interval
Round up since you need whole buses