To find your answer you divide 3 by 2.5 to get 1.2. The scale for the map is 1.2.
Hope this helps,
<em>♥Nikki♥</em>
(P.S. I'm not completely sure about this so you might want to get a second opinion on this particular question.)
Answer:
4:6 but if you reduce it is 2:3
Step-by-step explanation: