Subject: mathqa
Question: before leaving home for the town of madison , pete checks a map which shows that madison is 6 inches from his current location , gardensquare . pete arrives in madison 2.5 hours later and drove at an average speed of 60 miles per hour . at what scale , in inches per mile , is the map drawn ?
Option: 
A: 1 / 30
B: 1 / 25
C: 1 / 10
D: 2
Answer: B