We are given the distance between two towns is 2.6cm on a map.
The scale factor of the map is 1cm:50km.
That means 1 cm on map = 50 km actual distance.
In order to find the distance 2.6cm into actual distance, we need to multiply 2.6 and 50.
Therefore, 2.6 × 50
On multiplying 2.6 by 50 we get 130.