Peter enters a hot dog eating contest. Peter's friend calculates that on average, Peter eats 2 hot dogs per minute. They write the equation y = 2x in order to predict how many hot dogs Peter can eat in a 30-minute contest, where x stands for the amount of time in minutes and y stands for the total number of hot dogs.
A) Does the equation represent a proportional relationship? Explain your reasoning.
B) What is the unit rate of change for this situation?
