Answer:
Section off the wet area......
Explanation:
I think that the best answer is the last option. It is a more professional approach.
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; brainly.com/question/4895463
