Millie is training for a running race. On Monday she made a chart that shows the number of miles she needs
to run for different intervals of time if she wants to meet her goal for the race.
Time (minutes)
Miles ran

Millie's Mileage Chart

0, 0
8, 1
16, 2
24, 3
32, 4

Is the information in Millie's Mileage Chart proportional? Explain how you know.