If 1 kilometer is equal to 1 centimeter on the map, what is the distance in km between two cities that are 7.5 cm apart? scale 1: 20 000

The actual distance between two cities is 7.5 km.

Explanation:

It is given that 1 kilometer is equal to 1 centimeter on the map.

The ratio of actual distance and distance in map is 1 km : 1 cm.

We need to find the distance in km between two cities that are 7.5 cm apart.

Let the actual distance between 2 cities by x km.

The ratio of actual distance and distance in map is x km : 7.5 cm.

The ratio of actual distance and distance in map are equivalent.

On cross multiplication, we get

Therefore the actual distance between two cities is 7.5 km.

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