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In a mixture of two liquids, if the first liquid is 40% and the second is 60%, w

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Question: In a mixture of two liquids, if the first liquid is 40% and the second is 60%, what is the overall percentage of the first liquid in a 50-liter mixture containing 20 liters of the first liquid?

Options:

  1. 30%
  2. 40%
  3. 50%
  4. 60%

Correct Answer: 40%

Solution: 

Percentage of first liquid = (20/50) * 100 = 40%.

In a mixture of two liquids, if the first liquid is 40% and the second is 60%, w

Practice Questions

Q1
In a mixture of two liquids, if the first liquid is 40% and the second is 60%, what is the overall percentage of the first liquid in a 50-liter mixture containing 20 liters of the first liquid?
  1. 30%
  2. 40%
  3. 50%
  4. 60%

Questions & Step-by-Step Solutions

In a mixture of two liquids, if the first liquid is 40% and the second is 60%, what is the overall percentage of the first liquid in a 50-liter mixture containing 20 liters of the first liquid?
  • Step 1: Identify the total volume of the mixture, which is 50 liters.
  • Step 2: Identify the volume of the first liquid in the mixture, which is 20 liters.
  • Step 3: To find the percentage of the first liquid, use the formula: (Volume of first liquid / Total volume of mixture) * 100.
  • Step 4: Substitute the values into the formula: (20 liters / 50 liters) * 100.
  • Step 5: Calculate the fraction: 20 divided by 50 equals 0.4.
  • Step 6: Multiply 0.4 by 100 to get the percentage: 0.4 * 100 = 40%.
  • Step 7: Conclude that the overall percentage of the first liquid in the mixture is 40%.
  • Percentage Calculation – Understanding how to calculate the percentage of a component in a mixture based on its volume relative to the total volume.
  • Mixture Composition – Analyzing the composition of a mixture to determine the contribution of each component.
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