Because i'm getting confused, and show step by step. : (

i am making cupcakes and one batch calls for 2 3/4 cups of flour. if i am going to make 3 1/2 batches, how many cups of flour will i need?

i feel like it tells the answer, but it might be wrong, i'm so confused : (

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.