Write a system of equations for the following applications and then solve using matrices in a calculator. Must include:
3 equations
MATRIX (if you want to use the "table" feature use a 4x3 table OR you can upload a screenshot from Desmos or a picture of your paper
and
solution WITH UNITS in your answer
At Chuck E. Cheese’s people of all ages can have fun! A drink cost $2.50,
breadsticks cost $4.25, and a large pizza cost $12.75. A group of teachers purchased a total of 13 items. The number of drinks purchased was 3 more than twice the number of pizzas. Write a system of equations and solve to find out how many of each item the group purchased if the total bill was $60.

Define your variables:

System of Equations:

Matrix:

Solution: