At one company, the amount of vacation v (in hours) an employee earns varies directly with the amount of time t ( in weeks) he or she works. An employee who works 4 weeks earns 5 hours of vacation. a) Write a direct variation equation that relates t and v.

b) How many hours of vacation time does an employee earn in 16 weeks?

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.