two car services offer to pick you up and take you to your desination. Service A charges 40 cents to pick you up and 30 cents for each mile of your trip. Service b charges $1.10 to pick you up and charges c cents for each mile of your trip.
a. Math the serives to the lines l and m
b. For service b, is the additional charge per mile greater or less than 30 cents per mile of the trip?
