Find the greatest common divisor and divide both parts.
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tỷ số và tỷ lệ 2in1
- Explain how to solve problems involving work rates and time. A boat travels upstream at a speed of 8 km/h and downstream at a speed of 12 km/h. What is the ratio of the time taken to travel a certain distance upstream to the time taken to travel the same distance downstream?
- Describe the use of ratios in chemical formulas.
- When might an approximate answer be sufficient?
- How can you determine the speed ratio from the distance ratio? More Ratio and Proportion Questions
- How can ratios highlight disparities?
- Give examples of their use in science and engineering. Consider the application of ratios and proportions in scaling laws in biology and physics (e.g., how size affects metabolic rate).
- Give examples of typical mistakes. How can visual aids (e.g., diagrams, bar models) help in understanding and solving ratio and proportion problems?
- Test Your Understanding of Ratios and Proportions Problem 1 Simplify the ratio 24 36.
- Explain the concept of representative fraction (RF).
- Use the formula distance = speed x time and the given speeds and time.
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