Well...it might be that old "supply and demand" factor. As one example: a corporation/rancher/farmer might have the "demand" and the immigrant might have the "supply."
Explanation:
there are many cite generators for whatever format you need
Answer:
0.002 is the ratio ( Dolly's d/ Joseph's d)
600cm= 6m
3km=3000m
6/3000=0.002
sorry can't understand your question