



Give an example of a unit rate.
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tỉ số và tỷ lệ 2in1
- Using ratios in maps and models.
- When were ratios and proportions first used in mathematics?
- Can every ratio be written as a fraction?
- How are proportions used in scaling recipes?
- How are ratios and proportions applied in economics? (e.g., supply and demand).
- A container has a mixture of milk and water in the ratio 3 1. Some of the mixture is removed and replaced with an equal quantity of water. The new ratio of milk to water is 2 1. What fraction of the original mixture was removed?
- Further Practice with Ratios
- How does direct proportion work?
- A recipe for cookies requires 3 cups of flour, 2 eggs, and 1 cup of sugar. If you want to make a larger batch using 9 cups of flour, how many eggs and how much sugar will you need?
- How can unit rates be used for comparison?
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