Question

The map that Santa use shows that distance between two cities on the map is 3.5 centimeters. The map use a scale

In which 1 centimeter represents 20 kilometers. What is actual distance between these two cities in kilometers?

Answer 1

Explanation:

Direct proportion.

1: 20= 3.5:x

Product of extremes = Product of means

1*x = 20*3.5

x = 70.0 = 70 km