Two trains start from 128 mi apart and travel towards each other on parallel. they pas each other 1.6 hr later. if one train travels 10 mph faster than the other. find the speed of each train

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.