Brainliest award: To make lime green paint requires yellow, blue, and white paint in the ratio of 6:5:1. How much white paint is needed to make 30 gallons of lime green paint? Please explain thoroughly for each step and explain why 30 would be divided by 12.

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.