Question

a map has a scale of 3.5 inches = 20 kilometers if the distance between two cities on the map is 4.9 inches what is the actual distance between the two cities

Answer 1

28

4.9 x 20 / 3.5 = 28

Answer 2

3.5 inches = 20 km
1 inch = 20 ÷ 3.5 = 20/3.5
4.9 inches = 20/3.5 x 4.9 = 28km