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How many hours to drive 690 miles at 70 mph?

To calculate the number of hours it takes to drive 690 miles at 70 mph, you can use the formula:

Time = Distance / Speed

Plugging in the given values:

Time = 690 miles / 70 mph

Time ≈ 9.86 hours

Therefore, it will take approximately 9 hours and 52 minutes to drive 690 miles at a speed of 70 mph.