How can cross-multiplication help solve proportions?
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tỷ số và tỉ lệ 2 in 1
- Mixed Ratio and Proportion Questions If a b = 2 3 and b c = 4 5, find the ratio a b c.
- Think about how ratios and proportions can be used in everyday decision-making. Define antecedent and consequent in a ratio.
- A factory produces 500 items in 8 hours. How many items can it produce in 12 hours at the same rate?
- The ratio of apples to oranges is 5 2. If there are 15 apples, how many oranges are there? Simplify the ratio 24 36.
- The ratio of the number of male to female employees in a company is 4 5. If there are 36 male employees, how many female employees are there? Solve for b 4/(3b-2) = 8/10.
- Find two ratios equivalent to 6 8.
- Find two ratios equivalent to 2 3.
- Consider the limitations of using ratios and proportions in certain situations. What are the properties of equivalent ratios?
- Explore the connection between ratios, proportions, and percentages in different contexts. What is a unit rate, and how is it related to ratios?
- A painter uses 2 gallons of paint to cover 400 square feet. How many gallons will be needed to cover 1000 square feet?
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