Isabella and Tom drive from the same location at 9:46 AM. Isabella drives north with a constant speed of 65 km/h, and Tom drives south with a constant speed of 77 km/h. At what time will Isabell and Tom be 639 km apart?
A) 1:16 PM
B) 2:16 PM
C) 3:30 PM
D) 4:30 PM
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