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If a tree absorbs 50 kg of CO2 per year, how many trees are needed to absorb 200

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Question: If a tree absorbs 50 kg of CO2 per year, how many trees are needed to absorb 2000 kg of CO2 in a year?

Options:

  1. 30 trees
  2. 40 trees
  3. 50 trees
  4. 20 trees

Correct Answer: 40 trees

Solution: 

Number of trees = 2000 kg / 50 kg/tree = 40 trees

If a tree absorbs 50 kg of CO2 per year, how many trees are needed to absorb 200

Practice Questions

Q1
If a tree absorbs 50 kg of CO2 per year, how many trees are needed to absorb 2000 kg of CO2 in a year?
  1. 30 trees
  2. 40 trees
  3. 50 trees
  4. 20 trees

Questions & Step-by-Step Solutions

If a tree absorbs 50 kg of CO2 per year, how many trees are needed to absorb 2000 kg of CO2 in a year?
  • Step 1: Understand that each tree absorbs 50 kg of CO2 in one year.
  • Step 2: Determine how much CO2 you want to absorb in total, which is 2000 kg.
  • Step 3: To find out how many trees are needed, divide the total CO2 you want to absorb (2000 kg) by the amount one tree absorbs (50 kg).
  • Step 4: Perform the calculation: 2000 kg ÷ 50 kg/tree = 40 trees.
  • Step 5: Conclude that you need 40 trees to absorb 2000 kg of CO2 in a year.
  • Proportional Relationships – Understanding how to set up and solve a proportion based on given rates of absorption.
  • Unit Conversion – Recognizing that the units of measurement (kg of CO2 per tree) must be consistent when performing calculations.
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