Question

A distance 180 km between two cities is represented
on a map by 6cm if the distance between two other towns
is represented by 5cm on on the map, what is the actual distance
between them?​

Answer 1

Distance between 2 cities is actually 180 km and on map it is represented as 6 cm.

Then for 1 cm how much is the distance?

1 cm is 30 km.