To calculate the time it takes for the train to travel a distance of 120 miles at a speed of 60 miles per hour, you can use the formula:
Time = Distance / Speed
Substituting the given values:
Time = 120 miles / 60 miles per hour
Time = 2 hours
Therefore, it will take the train 2 hours to travel a distance of 120 miles at a speed of 60 miles per hour.