7. Systems of Equations and Inequalities

Systems of Linear Equations in Two Variables

3:10 minutes

Problem 76

Textbook Question

Textbook Question# Use a system of linear equations to solve Exercises 73–84. How many ounces of a 50% alcohol solution must be mixed with 80 ounces of a 20% alcohol solution to make a 40% alcohol solution?

Verified Solution

3m

Play a video:

This video solution was recommended by our tutors as helpful for the problem above.

29

Was this helpful?

### Watch next

Master **Solve a Linear System Graphical Approach** with a bite sized video explanation from Patrick

Related Videos

Related Practice