



Ratio and Proportion Extensions What are the key concepts of ratios and proportions?
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tỷ số và tỉ lệ 2 in 1
- Convert the ratio 2 3 5 into percentages.
- Working with Ratios What is a ratio?
- How are ratios used in mixing solutions? Solve for v 12/18 = v/27.
- A train travels for 3 hours at a speed of 80 km/h and then for 2 hours at a speed of 70 km/h. What is the ratio of the distances traveled in the two parts of the journey? If x/y = 1/2, y/z = 3/4, and z/w = 5/6, find x/w.
- If 5 workers can complete a task in 6 days, how long will it take 10 workers to complete the same task, assuming they work at the same rate?
- Use estimation to check the reasonableness of your answer.
- What are some techniques for solving word problems involving ratios and proportions with more than two quantities?
- A school has a student-teacher ratio of 15 1. If there are 450 students, how many teachers are there? Solve for m (m-3)/2 = (2m+1)/5.
- In a sports team, the ratio of wins to losses is 5 2. If they have played 28 games, how many games have they won? Solve for s 10/(3s-4) = 15/21.
- Find two ratios equivalent to 6 8.
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