Table of contents
- 0. Review of Algebra(846)
- 1. Equations & Inequalities(1104)
- 2. Graphs of Equations(217)
- 3. Functions(524)
- 4. Polynomial Functions(334)
- 5. Rational Functions(99)
- 6. Exponential & Logarithmic Functions(453)
- 7. Systems of Equations & Matrices(489)
- 8. Conic Sections(140)
- 9. Sequences, Series, & Induction(151)
- 10. Combinatorics & Probability(86)
1. Equations & Inequalities
Linear Equations
1. Equations & Inequalities
Linear Equations: Videos & Practice Problems
83PRACTICE PROBLEM
A 5% ethanol solution is mixed with pure ethanol to get a 35% solution. The volume of a 5% solution is 14 gallons. How much pure ethanol should be added to get this desired mixture?
A 5% ethanol solution is mixed with pure ethanol to get a 35% solution. The volume of a 5% solution is 14 gallons. How much pure ethanol should be added to get this desired mixture?