Mrs. low has 12 bags, each containing 25 sweets. she divides the sweets among 30 boys equally. how many sweets does each boy get?

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.