A mixture contains 15% alcohol and 85% water. If 20 liters of the mixture is tak

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Question: A mixture contains 15% alcohol and 85% water. If 20 liters of the mixture is taken, how much alcohol is present?

Options:

Correct Answer: 3 liters

Solution:

Alcohol = 15% of 20 liters = 0.15 * 20 = 3 liters.

A mixture contains 15% alcohol and 85% water. If 20 liters of the mixture is taken, how much alcohol is present?

A mixture contains 15% alcohol and 85% water. If 20 liters of the mixture is taken, how much alcohol is present?

Step 1: Understand that the mixture is made up of 15% alcohol and 85% water.
Step 2: Know that you have 20 liters of this mixture.
Step 3: To find out how much alcohol is in the mixture, you need to calculate 15% of 20 liters.
Step 4: Convert 15% to a decimal. 15% is the same as 0.15.
Step 5: Multiply 0.15 by 20 liters to find the amount of alcohol.
Step 6: Calculate 0.15 * 20 = 3 liters.
Step 7: Conclude that there are 3 liters of alcohol in the 20 liters of mixture.

Percentage Calculation – Understanding how to calculate a percentage of a given quantity.
Mixture Composition – Recognizing the components of a mixture and their respective proportions.