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If a tree absorbs 22 kg of CO2 per year, how many trees are needed to absorb 110

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Question: If a tree absorbs 22 kg of CO2 per year, how many trees are needed to absorb 1100 kg of CO2 in a year?

Options:

  1. 45 trees
  2. 50 trees
  3. 55 trees
  4. 60 trees

Correct Answer: 50 trees

Solution: 

1100 kg / 22 kg/tree = 50 trees

If a tree absorbs 22 kg of CO2 per year, how many trees are needed to absorb 110

Practice Questions

Q1
If a tree absorbs 22 kg of CO2 per year, how many trees are needed to absorb 1100 kg of CO2 in a year?
  1. 45 trees
  2. 50 trees
  3. 55 trees
  4. 60 trees

Questions & Step-by-Step Solutions

If a tree absorbs 22 kg of CO2 per year, how many trees are needed to absorb 1100 kg of CO2 in a year?
  • Step 1: Identify how much CO2 one tree absorbs in a year. In this case, it is 22 kg.
  • Step 2: Identify the total amount of CO2 that needs to be absorbed, which is 1100 kg.
  • Step 3: To find out how many trees are needed, divide the total CO2 (1100 kg) by the amount one tree absorbs (22 kg).
  • Step 4: Perform the division: 1100 kg ÷ 22 kg/tree = 50 trees.
  • Step 5: Conclude that you need 50 trees to absorb 1100 kg of CO2 in a year.
  • Proportional Relationships – Understanding how to set up and solve a proportion based on given rates of absorption.
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