The following map shows the time it takes to drive between four cities in Texas. How much longer will it take Mary to drive from Austin to Dallas than it will take her to drive from San Antonio to Austin?

Answer:
2 1/12
Step-by-step explanation:
Austin to Dallas: 3 5/12
San Antonio to Austin: 1 1/3
(3 5/12) - (1 1/3) = (2 1/12)