HElp on everything please. Do not attach a picture pleaze because I will not be able to see it

Michelle had a birthday party. she bought a bag of candy with 96 starbursts, 72 hershey's, and 68 reese's. she wants to use all the candy she bought to make goody bags with the same amount of starbursts, hershey's and reese's in each bag. what is the largest number of bags she can make?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Witch represents the inverse of the function f(x)=1/4x-12