Answer:
2.88 miles.
Explanation:
Given : The high school is 3.6 inches from the middle school on a map. Each half inch on the map represents 0.4 mile
To Find: What is the actual distance between the two schools?
Solution:
Scale :

So, 1 inch =
= 0.8 miles
Distance between schools = 3.6 inches
Distance between school in miles=

=

Hence the total distance between schools is 2.88 miles.