Just divide the distance by the time. If you want to have the answer in miles per hour, convert the minutes to hours first, before dividing.
At 65 miles per hours, you are traveling 1/65 miles per minute. The time to travel 60 miles would be 60/65 minutes.
65*20/60 = 21.66... miles
41.54 minutes (rounded)
22 minutes * (1 hour / 60 minutes) * (65 miles / 1 hour) = 23.833 miles.
27.08333 miles
76.3 minutes
4 hours 16.5 minutes.
30/65 = 0.462 hours or 27.7 minutes.
23 minutes at 65 mph
About 37 minutes at 65 mph
11 minutes at 65 mph
46 minutes at 65 mph.