To find out how many buses depart in one hour, we first need to determine how many buses depart in 10 minutes.
Given:
- Rate of departure: 3 buses every 10 minutes
Next, we can calculate the number of 10-minute intervals in one hour:
1 hour = 60 minutes
Number of 10-minute intervals in 60 minutes = 60 / 10 = 6 intervals
Now, we can calculate the total number of buses that will depart in one hour:
Total buses = Number of intervals × Buses per interval
Total buses = 6 intervals × 3 buses per interval = 18 buses
Therefore, 18 buses will depart in one hour.