Final answer:
It would take approximately 17.8 hours to drive to Old Faithful in Yellowstone Park if you travel at an average speed of 70 miles per hour.
Step-by-step explanation:
To calculate the time it would take to drive to Old Faithful in Yellowstone Park, we can use the formula:
Time = Distance/Speed
Given that the distance is 1,246 miles and the average speed is 70 miles/hr, we can substitute these values into the formula:
Time = 1,246 miles / 70 miles/hr
Dividing 1,246 by 70, we get the answer:
Time = 17.8 hours
Therefore, it would take approximately 17.8 hours to drive to Old Faithful in Yellowstone Park.