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Ratios and Proportions

Overview

This chapter builds on the discussion of rational numbers by presenting the topics of ratios, rates, and proportions. The discussion of rates is expanded to include complex rates, and proportions are applied to working with scale models. The chapter ends with an introduction to graphing proportional relationships.

What you can expect to learn

After completing Chapter 7 you should be able to

  1. Solve mathematical and real-world problems involving ratios and proportions.
  2. Represent proportional relationships using a model, graph, or equation.
  3. Determine the constant of proportionality using a table, graph, or equation.
  4. Defend the claim that mathematical design is an obvious result of the Creator-God of the Bible.
Activity List