You can put this solution on YOUR website! two towns are actually 150 miles apart on a map,they are 3 inches apart.What is the scale being used?
It's 50 miles per inch.
To express it as a ratio,
50 miles = 50 miles * 5280 feet/mile * 12 inch/foot
= 3168000 inches
So it's 3,168,000:1