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## GED Math Chapter 9: Percent, Rates, Ratio and Proportions – Lesson 1

The chapter goes over each of the specific concepts of ratios and proportions, percent, variation. A strong emphasis is placed on word problems and practical applications of the topics. Also, a section is dedicated to explain how to work with variable rational expressions.

Sections:

• Ratio and Proportions

• Understanding Percent

• Direct and Inverse Variation

• Simplifying Rational Expressions

**Chapter 9 Lesson 1**

**Ratios and Proportions**

Just a few more chapters and you will have finished the course! You will be so ready for the GED!!

### Nice job you you finished the first lesson. You should be able to:

- Understand the difference between a rate and ratio
- Know how to find the unit rate
- Understand what a proportion is

OK, we are ready to start the next lesson. The topic will be percent- this could be one of the most important lessons of the course so really pay attention.