Ratios and Sustainability Worksheet

Name:

Date:

🌱 Part 1: Understanding Ratios

1. A community garden has 6 tomato plants and 9 pepper plants. What is the ratio of tomato plants to pepper plants?

6:9

9:6

6:15

15:6

2. Which of the following are equivalent to the ratio 2:3? (Check all that apply)

4:6

6:9

3:2

10:15

3. A recycling center collects bottles and cans in the ratio 5:8. If they collect 40 bottles, how many cans do they collect?

32 cans

25 cans

64 cans

48 cans

4. Fill in the blank: The ratio 12:16 can be simplified to ______.

Answer: ____________

📊 Part 2: Ratio Tables and Unit Rates

5. Complete the ratio table for a fair-trade coffee cooperative where 3 workers harvest 5 bags of coffee beans:

Workers	3	6	____	15
Bags	5	____	15	____

6. A solar panel installation team can install 4 panels in 3 hours. What is the unit rate of panels per hour?

7. In a sustainable city, there are 8 electric buses for every 12 regular buses. If the city has 36 regular buses, how many electric buses are there?

🌍 Part 3: Real-World Sustainability Applications

8. A school's environmental club found that for every 7 students who bring reusable water bottles, 3 students still use disposable bottles. If 28 students bring reusable bottles, how many students use disposable bottles?

9. Two countries have different renewable energy ratios:

Country A: Renewable to Non-renewable energy = 2:5

Country B: Renewable to Non-renewable energy = 3:4

Which country uses a higher proportion of renewable energy? Explain your reasoning.

10. A community composting program collects food scraps from households in a ratio of 15 pounds per 4 families. If 20 families participate, how many pounds of food scraps will be collected?

11. Reflection: How can understanding ratios help communities make better decisions about sustainability? Give one specific example from your own life or community.