Answer:
1/7
Step-by-step explanation:
I had to mentally turn it into a 700 mile trip.
first day, 2/7- so, 200/700, or 200 miles
that leaves 500 miles.
next day, 4/5 of the 500 miles, so 400/500, or 400 miles
with 100 miles left.
100 left if a 700 mile trip... 100/700... 1/7