You would take a ruler and measure the amount of centimeter or inches between the two places. Then measure the scale. If the scale was 50 miles and 1 inch and the two points were 2 inches apart. The places would be 100 miles apart because 50*2=100
I think maybe to find a good prompt to help you, you should use another app like socratic or search up this website that helps you write your essays and what not
