

Using ratios and proportions in optimization problems. Can a ratio be equal to one?
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tỷ lệ và tỷ số
- How are ratios and rates different? What are the parts of a ratio?
- How can understanding ratios and rates help in cooking and baking? How can understanding ratios and rates help in travel planning?
- What is compound interest?
- How can equations represent proportional relationships? What is a scale factor?
- How can proportions be used to solve real-world problems? What are direct proportions?
- Distinguishing between direct, inverse, and joint/combined variation.
- How can ratios be used in financial calculations? What is a debt-to-income ratio?
- Can a rate involve zero? What are some real-world examples where ratios are crucial for decision-making?
- What is the cross-product property of proportions?
- Applying the equation to solve for unknown quantities. Checking the units and reasonableness of the answer.
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