If a mixture contains 40% alcohol and 60% water, how much alcohol is present in

Practice Questions

Q1
If a mixture contains 40% alcohol and 60% water, how much alcohol is present in 15 liters of the mixture?
  1. 6 liters
  2. 5 liters
  3. 7 liters
  4. 8 liters

Questions & Step-by-Step Solutions

If a mixture contains 40% alcohol and 60% water, how much alcohol is present in 15 liters of the mixture?
  • Step 1: Understand that the mixture is made up of 40% alcohol and 60% water.
  • Step 2: Identify the total amount of the mixture, which is 15 liters.
  • Step 3: To find out how much alcohol is in the mixture, calculate 40% of 15 liters.
  • Step 4: Convert 40% to a decimal. 40% is the same as 0.4.
  • Step 5: Multiply 0.4 by 15 liters to find the amount of alcohol: 0.4 * 15 = 6 liters.
  • Step 6: Conclude that there are 6 liters of alcohol in the 15 liters of mixture.
  • Percentage Calculation – Understanding how to calculate a percentage of a total quantity.
  • Mixture Composition – Recognizing the components of a mixture and their respective proportions.
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