Darrell needs a ride to the airport. He is deciding between two options:
Option A is a shuttle that charges a flat rate of $42.
Option B is a cab that charges an initial fee of $4.50 plus an additional $1.25 for every mile traveled.
For what number of miles will Option B cost less than Option A? Let m represent the number of miles.
m < 12
m < 30
m < 38
m < 9