On a 1:50000 map, if the distance between a and B is 3cm, what is the actual distance between a and B?

On a 1:50000 map, if the distance between a and B is 3cm, what is the actual distance between a and B?

The distance is 3cm
Then the actual distance is 3x50000cm = 150000cm = 1500m
The actual distance of AB is 1500 meters
I hope my answer can help you