



Understanding Ratios
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tỷ số và tỉ lệ 2 in 1
- How do you check if a proportion is true? What is cross-multiplication in proportions?
- How do you work with continued ratios? Solve for a 7/3 = a/9.
- Practice translating word problems into ratio and proportion equations.
- Convert the ratio 5 1 to percentages.
- A painter uses 2 gallons of paint to cover 400 square feet. How many gallons will be needed to cover 1000 square feet?
- Consider the limitations of using ratios and proportions in certain situations. What are the properties of equivalent ratios?
- A water tank is filled by two pipes. The rates of flow are in the ratio 2 3. If the faster pipe takes 10 hours to fill the tank alone, how long will it take both pipes working together to fill the tank?
- How do you solve problems involving direct proportion? Solve for q 2/7 = q/21.
- What is the simplest form of a ratio?
- What are equivalent ratios?
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