Adding a comment so the other answerer can get Brainliest :)
Answer:7
Step-by-step explanation:
Answer:
7212960
Step-by-step explanation:
You have to round up since the number in the ones place is a 5.
A reasonable number between 18 and 23 is 20. 69 minutes is 3 times 23 minutes, so we multiply the 20 by 3, getting an estimate of 60 cars.