Videos
https://www.youtube.com/watch?v=iMXGp1db1uA
https://www.youtube.com/watch?v=MJ8nbAn9kmY
https://www.greenemath.com/Algebra2/29/ApplicationsofLinearSystems.html
https://www.greenemath.com/Algebra2/29/ApplicationsofLinearSystemsTest5.html
Practice Activities & Worksheets
https://www.greenemath.com/Algebra2/29/ApplicationsofLinearSystemsTest.html
https://www.purplemath.com/modules/systprob.htm
https://cdn.kutasoftware.com/Worksheets/Alg1/Systems%20of%20Equations%20Word%20Problems.pdf