Michelle and Andrea are walking laps for charity. The amount of money, y, that each girl raises for a certain number of laps, x, is shown in the tables below.
Michelle
A 2-column table with 3 rows. Column 1 is labeled x with entries 10, 30, 60. Column 2 is labeled y with entries 15, 45, 90.
Andrea
A 2-column table with 3 rows. Column 1 is labeled x with entries 20, 32, 40. Column 2 is labeled y with entries 25, 40, 50.
Which statement explains who will raise $100 with the fewest number of laps?