A buys a house for Rs.48,00,000 for which he pays Rs.34,69,250 cash down and the balance in 60 monthly equal installments paid at the
end of each month. If the rate of interest is 15% p. a. compounded
monthly, how much money has he to pay every month?​

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.