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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?

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?
  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?
  • 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.
  • Unit Rate Calculation – Understanding how to calculate the number of units needed based on a given rate of absorption.
  • Proportional Reasoning – Applying proportional reasoning to determine the relationship between the amount of CO2 absorbed and the number of trees.
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