Answer:
see the explanation
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
Observing the figure
The distance from their current location to Hudson is 9 miles
The distance from their current location to Mitchell is 65 miles
The distance from their current location to Watertown is 80 miles
so
Your friend is not correct
Your friend must have calculated the distance between Hudson and Watertown (80-9=71 miles)
