



Simplifying ratios.
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tỉ số và tỷ lệ 2in1
- Simplify the ratio 15 25.
- A mixture of acid and water is in the ratio 2 3. If 10 liters of water are added, the ratio becomes 2 5. Find the initial quantity of the acid.
- Simplifying ratios.
- A train travels the first half of a journey at a speed of 60 km/h and the second half at 80 km/h. Find the ratio of the time taken for the first half to the time taken for the second half.
- If a b c = 2 3 4 and a+b+c = 27, find the values of a, b, and c.
- Direct and inverse variation with more complex relationships.
- A model car is built to a scale of 1 24. If the actual car is 4.8 meters long, how long is the model car in centimeters?
- How can you convert a part-to-part ratio to part-to-whole ratios?
- What are some common errors to avoid when working with ratios and proportions?
- Assuming a proportional relationship exists when it does not.
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