Use the concept of weighted averages or set up equations based on the amounts of acid.
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tỷ số và tỷ lệ 2in1
- Set up a direct proportion equation and solve for y.
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- Describe how to apply ratios to divide a line segment. The areas of two similar polygons are in the ratio 9 16. What is the ratio of their corresponding sides?
- Explain the relationship between these quantities using ratios.
- How can this scale be used to find actual distances from map measurements? If the speed of light is approximately 3 x 10^8 meters per second, express this speed in kilometers per hour.
- Solving Problems with Proportions
- Explain how to find the value of one ratio unit. Three friends, P, Q, and R, share $180 in the ratio 2 3 4. How much does each friend receive?
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- How can you make more meaningful comparisons? Research different cultural and historical uses of ratios and proportions (e.g., in ancient architecture, art, or measurement systems).
- Convert the percentage to a fraction and then to a ratio.
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