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Home  /  OpenStax Intermediate Algebra 2e  /  Chapter 7 · Rational Expressions
Section 7.7

Variation and Problem Solving

Direct, inverse, joint, and combined variation and applications, plus work and motion problems.

5 lessons. Pick what you need.

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Chapter 7 · Rational Expressions
Lesson

Lesson on Proportion Problems

Examples

Examples of When or Why You Can Cross-Multiply

Lesson

Lesson on Distance, Rate, and Time Problems

Lesson

Lesson on Work Problems

Lesson

Lesson on Variation