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**3**

Explain what this ratio tell us.

Slide 17

The perimeter of a rectangle is 500 feet. The ratio of the base and height is 3:2. What is the measure of the height?

- What do we call a comparison between two or more quantities?
- What is a ratio?
- How many basketballs to footballs are there?
- What are some other ways we can write the ratio of basketball to footballs?
- Equivalent Ratios
- Equivalent Ratios can be formed by multiplying the ratio by any number.
- Compound Ratios
- Practice problem
- Practice Word Problems
- Challenge Question

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- Thermal Energy
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- Sound

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