This means that every cm on the map represents 2 km in real life. A theme park map has a scale of 1 cm = 250 m. The distance on the map between the rollercoaster and the waterslide is 6 cm.

Eg, for a scale of 5 cm to 6 km, divide both parts of the scale by 5 The scale will now give the real distance represented by 1 unit on the map. The scale states that 5 cm represents 2 km.