Distance to Fort Worth = 185 miles
Time for which Vang has driven = 2 hours
Distance per hour driven by Vang = 65 miles
Then
Distance covered by Vang in 2 hours = (65 * 2) miles
= 130 miles
Then
The distance that still remains to be
covered for reaching Fort Worth = (185 - 130) miles
= 55 miles
So after driving for 2 hours at a speed of 65 miles per hour, Vang will still be 55 miles away from Fort Worth.