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Lesson 4 Contents. . . Example 1Identify a ProportionExample 2Solve a ProportionExample 3Use a Proportion to Solve a Problem. Rates. In a ratio, if the numerator and denominator are measured in different units then the ratio is called a rate.. A unit rate is a rate per one given unit, like 60 miles per 1 hour..
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1. Section 5-1 Solving Proportions
2. Lesson 4 Contents
4. Example 4-1a
5. Example 4-1b
6. Example 4-2a
7. Example 4-2b
8. Example 4-3a
9. Example 4-3b