Answer:
Actual distance between two city = 40 miles
Explanation:
Given sample size;
1 inch = 10 miles
Distance between two city = 4 inch
Find:
Actual distance between two city
Computation:
Actual distance between two city = Sample size of 1 inch in miles x Distance between two city
Actual distance between two city = 4 x 10
Actual distance between two city = 40 miles