Back to 5.5 Solve Mixture Applications with Systems of Equations

5.5 Exercise 40

Avg difficulty 2.5

Translate to a system of equations and solve.

Jotham needs 70 liters of a 50% alcohol solution. He has a 30% and an 80% solution available. How many liters of the 30% and how many liters of the 80% solutions should he mix to make the 50% solution?

OpenStax Elementary Algebra 2e, 5.5 Solve Mixture Applications with Systems of Equations, exercise 40

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