Ratio and Proportion Basics
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tỷ số và tỷ lệ 2in1
- How can you test if two proportions are equivalent?
- Describe the steps involved in using unit ratios for conversion. Convert 10 kilometers per hour to meters per second using unit ratios.
- Describe how to solve problems involving the comparison of travel times for different speeds over the same distance. A plane flies at a speed of 600 km/h in still air. A wind is blowing at 50 km/h. What is the ratio of the plane's speed with the wind to its speed against the wind?
- How does a proportion differ from a ratio? What are the parts of a proportion?
- Use cross-multiplication to solve for the unknown.
- Multi-Step Ratio and Proportion Problems The ratio of A to B is 2 3, and the ratio of B to C is 4 5. Find the ratio of A to C.
- What makes the golden ratio aesthetically pleasing? How are ratios used in music?
- Use direct proportion to scale the recipe.
- Describe the process of reducing a ratio to its simplest form.
- Mixing Ratios
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