Calvin followed a strict exercise and healthy eating regimen to start the new year right. He went from 215 pounds to 190 pounds. What is the percent decrease? *

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.