Question

Please provide steps: The scale of a map is 1 1/4 inches = 100 miles. On the map, two rivers are 4 1/8 inches apart. What is the distance between the rivers?

Answer 1

1.25 inches/100 miles = 4.125 inches/x miles

using cross products

1.25 * x =100 * 4.125

divide by 1.25 on each side

x = 412.5/1.25

x =330 miles