The distance between cities A and B is 150 km. the distance between cities A and B on the map is 3 cm.

The distance between cities A and B is 150 km. the distance between cities A and B on the map is 3 cm. Determine the scale of the map.

1) 150: 3 = 50 (km) – on the ground corresponds to 1 cm on the map;

Because the scale is the ratio of the distance on the map to the distance on the ground, so the scale is written in the same units of measurement. Therefore, it is necessary to convert 50 km on the ground into centimeters, for this you need to know that 1 km = 1000 m, 1 m = 100 cm, therefore:

50 km = 50,000 m = 5,000,000 cm.

The scale of this map will be as follows:

1: 5,000,000.

Answer: 1: 5,000,000.