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In a recent climate change agreement, 12 countries committed to reducing emissio

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Question: In a recent climate change agreement, 12 countries committed to reducing emissions by 20%. If the total emissions are 1 billion tons, how much will be reduced?

Options:

  1. 100 million tons
  2. 200 million tons
  3. 300 million tons
  4. 400 million tons

Correct Answer: 200 million tons

Solution:

Reduction in emissions = 20% of 1 billion tons = 0.2 * 1 billion = 200 million tons.

In a recent climate change agreement, 12 countries committed to reducing emissio

Practice Questions

Q1
In a recent climate change agreement, 12 countries committed to reducing emissions by 20%. If the total emissions are 1 billion tons, how much will be reduced?
  1. 100 million tons
  2. 200 million tons
  3. 300 million tons
  4. 400 million tons

Questions & Step-by-Step Solutions

In a recent climate change agreement, 12 countries committed to reducing emissions by 20%. If the total emissions are 1 billion tons, how much will be reduced?
  • Step 1: Understand that 20% means 20 out of every 100 parts.
  • Step 2: Convert 20% into a decimal. 20% as a decimal is 0.2.
  • Step 3: Know that the total emissions are 1 billion tons.
  • Step 4: To find the reduction, multiply the total emissions by the decimal: 0.2 * 1 billion tons.
  • Step 5: Calculate the multiplication: 0.2 * 1 billion = 200 million tons.
  • Step 6: Conclude that the emissions will be reduced by 200 million tons.
  • Percentage Calculation – Understanding how to calculate a percentage of a total value.
  • Basic Arithmetic – Applying multiplication to find the result of the percentage calculation.
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