A grocery store normally sells lemonade for \$3.50$3.50dollar sign, 3, point, 50 per bottle. The grocery store is currently having a sale on lemonade which advertises 666 bottles for only \$13.50$13.50dollar sign, 13, point, 50. How much cheaper is the lemonade on sale per bottle compared to the normal price per bottle?

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.