Start with a scenario involving two or more quantities.
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tỷ số anh
- If you double the dimensions of a rectangle, what happens to the ratio of its length to width? If you triple the radius of a circle, what happens to the ratio of its circumference to its diameter?
- Using ratios to express relative sizes or proportions in astronomy, biology, or other fields dealing with extreme scales.
- How can ratios be used to compare the performance of different players or teams? How are ratios used in demography?
- What is the dividend yield ratio?
- In the proportion a b = c d, what are the means? In the proportion a b = c d, what are the extremes?
- How can ratios be used to measure the effectiveness of marketing campaigns? How are ratios used in healthcare?
- Can ratios be negative?
- A concrete mixture requires cement, sand, and gravel in the ratio 1 2 4. How much sand is needed if you use 50 kg of cement? How can you use ratio and proportion to solve problems involving scaling?
- How can you represent the percentage 80% as a ratio, a fraction, and a decimal? Solve ratio problems involving three or more quantities.
- What is the ratio of 1 meter to 50 centimeters?
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