



Ignoring units when working with rates and proportions.
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tỉ số và tỷ lệ 2in1
- What is the mean proportional?
- What is the ratio of the new area to the original area?
- Give an example of a ratio.
- If a quantity increases by 20% and the new quantity is divided in the ratio 3 5, what percentage of the original quantity is the smaller part?
- Using proportions to solve percentage problems.
- Breaking down complex problems into smaller steps.
- Understanding and Applying Percentages
- If a survey shows that 60 out of 100 people prefer brand A, what is the ratio of people who prefer brand A to those who prefer other brands?
- How can you determine which of two ratios is greater?
- Not simplifying ratios to their simplest form.
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