Answer:
Multiple answers (Work & answers below)
Step-by-step explanation:
An easy way is to work out their speed. Speed = distance/time.
First part: Speed = 330/5.5 = 60 mph
Finally, the second part: time = distance / speed
So time = 720/60 = 12 hours
5 divided by one half, would be 2.5, since its half of 5.