Anneliese and Aaron kept track of the time and distance they traveled over the last three times they left their homes. Classify each ratio of miles to minutes for Anneliese and Aaron as proportional or not proportional.

Proportional Not proportional
Anneliese drove 23 miles in 28 minutes. Aaron drove 7 miles in 14 minutes.
Proportional – Anneliese drove 23 miles in 28 minutes. Aaron drove 7 miles in 14 minutes.
Not proportional – Anneliese drove 23 miles in 28 minutes. Aaron drove 7 miles in 14 minutes.
Anneliese drove 18 miles in 27 minutes. Aaron drove 24 miles in 36 minutes.
Proportional – Anneliese drove 18 miles in 27 minutes. Aaron drove 24 miles in 36 minutes.
Not proportional – Anneliese drove 18 miles in 27 minutes. Aaron drove 24 miles in 36 minutes.
Anneliese drove 9 miles in 21 minutes. Aaron drove 12 miles in 28 minutes.