What is a sub-duplicate ratio?
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tỷ số và tỷ lệ 2in1
- Describe how to use percentages to find quantities needed for ratios. In a survey, the ratio of people who prefer coffee to tea is 5 3. What percentage of people prefer coffee?
- Describe how to find the concentration of a mixture of two solutions. Alcohol and water are mixed in the ratio 4 5. If 18 liters of alcohol are used, how much water is needed? What is the total volume of the mixture?
- Explain how to scale a recipe based on ratios. The ratio of boys to girls in a class is 2 3. If there are 10 boys, how many girls are there?
- Use the map scale as a ratio to find the actual distance.
- Exploring Advanced Applications What are antecedent and consequent in a ratio?
- Variations of Ratio and Proportion Problems
- 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.
- What is the difference between the size of a model and the real object, expressed as a ratio? How are ratios used in sports?
- Can a ratio involve zero?
- Set up a proportion to solve this problem Apples Oranges = 3 2, Apples = 15, find Oranges.
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