Time = Distance / Average Speed
For example, if your average speed is 50 miles per hour, the time it takes to drive 83.7 miles would be:
Time = 83.7 miles / 50 miles per hour = 1.674 hours
Therefore, at an average speed of 50 miles per hour, it would take approximately 1 hour and 40 minutes to drive 83.7 miles.
Please note that this calculation does not account for any stops or traffic delays, which could increase the actual driving time.