Respuesta :
Answer:
45 because you have to take 540 divided by 12 to get how many miles there are in one hour
Step-by-step explanation:
Hope it helps
The unit rate of the train in miles per hour is; 45 miles per hour
Distance traveled by train; d = 540 miles
Time of travel; t = 12 hours
- Unit rate here will be the distance travelled per hour.
Formula for the unit rate here is;
Unit rate = distance travelled/time taken
Unit rate = 540/12
Unit rate = 45 miles per hour
Read more about unit rate at; https://brainly.com/question/4895463
