Question

The scale of a map says 4 cm represents 5 km. What distance on the map in cm represents an actual distance of 4 km

Answer 1

4cm : 5km

xcm : 4km

Cross multiply.

4 * 4 = 16

5 * x = 5x

5x = 16

x = 16/5

x = 3.2km

3.2km : 4km