Answer:
10 miles
Explanation:
To use the scale, we write a ratio of
and simplify.
We know
.
We also know the distance from each is just over 2 inches. We find this by using the scale and placing it between Northdale and Southdale. This means it's at least 8 miles away. Because it is not 3 inches away, this means it is less than 12 miles. 10 miles is the best solution.