# Ch 18: Ratios, Rates & Proportional Relationships

This chapter has everything you'll need to know regarding ratios, rate and proportional relationships. The comprehensive video lessons and practice quizzes can help you refresh your knowledge on how to solve problems related to these math concepts.

## Ratios, Rates & Proportional Relationships - Chapter Summary

Use the engaging lessons in this chapter to help you understand ratios, rates and proportional relationships. You can see examples of how to perform calculations with ratios and proportions as well as how to figure out the amount of tax on an item. Topics covered in this chapter include:

• Ways to compare numbers and items using rates and ratios
• How to apply the unit rate of change
• Applications of proportions
• Calculating problems with ratios and proportions
• Determining tax and discounts
• Ways to calculate simple interest
• Proportional relationships that occur with triangles

The brief and entertaining video lessons are taught by experienced and knowledgeable instructors. They are accompanied by written transcripts of the videos and short quizzes to assess your knowledge. All of these resources are mobile friendly so you have the flexibility to study at home or on the go, as long as you have working Internet connection.

7 Lessons in Chapter 18: Ratios, Rates & Proportional Relationships
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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