1. one box of cereal is 16 ounces and costs $3. a smaller box of the same cereal is 11.5 ounces and costs $2. which box of cereal is the better but? explain. 2. i'm an n-guage model train set, a tank car is 3.75 inches long. the actual tank car is 50 feet long. what is the ratio of the length of the actual tank car to the length of the model tank car? 3. 9 km/1 hour = ? m/ 1 second

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.