- Solve system of equations by using substitution
- Solve real-world problems involving systems of equations.
Do for homework: Write and Solve a System of EquationsA metal alloy 25% copper. Another metal alloy is 50% copper. How much of each alloy should be used to make 1000 grams of a metal alloy that is 45% copper.
1.) Define variables
2.) Organize a table
3.) Write the system of equations
4.) Solve for one variable and use substitution
