Answer :
The scale on the map is 1 cm for 500 m.
What is scale factor?
A scale factor is defined as the ratio between the scale of a given original object and a new object, which is its representation but of a different size (bigger or smaller).
Given that, A man walks 1500 metres. on a map, this is shown as 3 cm.
3 cm = 1500 m
1 cm = 500 m
Hence, The scale on the map is 1 cm for 500 m.
For more references on scale, click;
https://brainly.com/question/841108
#SPJ2