Time = Distance / Speed
Given distance = 89 miles and speed = 70 mph
Time = 89 miles / 70 mph
Time ≈ 1.27 hours
Converting this decimal to minutes:
1.27 hours * 60 minutes / hour = 76.2 minutes
Therefore, it will take approximately 76 minutes or 1 hour and 16 minutes to drive 89 miles at a speed of 70 mph.