Problems involving changes in ratios.
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tỉ số và tỷ lệ 2in1
- A and B invest in a business in the ratio 3 2. After one year, they add C who invests an amount equal to B's initial investment. If the total profit at the end of two years is $25,000, how should it be divided among them?
- A store sells apples and oranges in the ratio 3 5. If they sold a total of 48 fruits, how many of each fruit were sold?
- Analyzing demographic data (e.g., population ratios).
- 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?
- What is the simplest form of 12 18?
- Mixing up the terms of a ratio.
- How can you convert a part-to-part ratio to part-to-whole ratios?
- How does direct proportion work?
- If a shape is enlarged by a scale factor of 4, what is the ratio of the new dimensions to the original dimensions?
- A painter mixes blue and yellow paint in the ratio 2 5 to get a certain shade of green. If he uses 6 liters of blue paint, how much yellow paint does he need?
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