Lemma
EasySystems
OpenStax, Elementary Algebra 2e §5.5 Solve Mixture Applications with Systems of Equations · Exercise 19 · Algebra · Systems

Solve Mixture Applications with Systems of Equations · Exercise 19

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?

~5 minWritten answer · check your work with Lemma

OpenStax, Elementary Algebra 2e · §5.5 Solve Mixture Applications with Systems of Equations · Exercise 19

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.