Jada plans to serve milk and cookies for a book club meeting. She is preparing 12 ounces of milk and 4 cookies per person.
Including herself, there are 15 people in the book club.

A package of cookies contains 24 cookies and costs $4.50

A 1-gallon jug of milk contains 128 ounces and costs $3

Let n represent the number of people in the book club, m represent the number of ounces of milk, c represent number of cookies, and b represent Jada’s budget

Select all the equations that could represent the quantities and constraints in this situation