OpenStax, Algebra and Trigonometry 2e §11.1 Systems of Linear Equations: Two Variables · Exercise 73 · Algebra · Systems
Systems of Linear Equations: Two Variables · Exercise 73
Use a system of linear equations with two variables and two equations to solve.
If a scientist mixed 10% saline solution with 60% saline solution to get 25 gallons of 40% saline solution, how many gallons of 10% and 60% solutions were mixed?
OpenStax, Algebra and Trigonometry 2e · §11.1 Systems of Linear Equations: Two Variables · Exercise 73
Stuck? A gentle nudge
No hints for this one.
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.