You work as a salesperson for a marketing company. The position pays $300 per week plus 10% of your total weekly sales. You normally earn $550 each week. Write and solve an equation to determine how much your total weekly sales are normally.

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.