When eating out, it is customary to tip your server at least 15% of the cost of your meal. The graph shows a 15% tip, t, for a meal that costs m dollars. Each of the following sets of numbers represents dollars. Assuming the graph is correct, which set of numbers is most appropriate to label the seven tick marks along the vertical axis (15% tip)?

Question 5 options:

15, 30, 45, 60, 75, 90, 105

1.50, 3, 4.50, 6, 7.50, 9, 10.50

5, 10, 15, 20, 25, 30, 35

10, 20, 30, 40, 50, 60, 70