The scale of the map is 1: 100000 which is equal to the distance between cities A and B (in km) if it is 1.5 cm on the map.

The fact that the scale of the map is 1: 100000 means that in 1 cm of the map there is 100000 cm of the territory shown on the map. Accordingly, 1.5 cm between cities A and B is

1.5 * 100,000 cm = 150,000 cm.

Let’s convert centimeters to kilometers:

150000 cm = 1500 m = 1.5 km.

Answer: 1.5 km.

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