Reflect on your understanding of ratios and proportions and identify areas where you may need further practice.
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tỷ số và tỉ lệ 2 in 1
- Explore the connection between ratios, proportions, and percentages in different contexts. What is a unit rate, and how is it related to ratios?
- A recipe calls for flour and sugar in the ratio 3 1. If you use 9 cups of flour, how much sugar do you need? Simplify the ratio 18 42.
- Give an example of inverse proportion. Solve for p 6/p = 18/27.
- A mixture of three types of tea, A, B, and C, are in the ratio 3 5 2. If 10 kg of type C tea are used, what is the total weight of the mixture? If a b = 5 2 and b c = 3 4 and c d = 1 2, find a b c d.
- Which ratio is equivalent to 15 20 3 4 or 9 12?
- Find two ratios equivalent to 2 3.
- Ratio and Proportion Problem Solving Strategies
- A store sells two types of rice in the ratio 3 7. If the total amount of rice sold is 100 kg, how much of each type was sold? Challenging Ratio and Proportion Problems
- A company's assets and liabilities are in the ratio 7 2. If the liabilities are $50,000, what are the assets? Solve for r (5r+2)/4 = (3r-1)/2.
- A map has a scale of 1 cm 50 km. What area on the map (in cm²) represents an actual area of 10,000 km²?
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