A mixture contains 30% vinegar. If you have 90 liters of this mixture, how much vinegar is present?
Correct Answer: 27 liters
- Step 1: Understand that the mixture is 30% vinegar.
- Step 2: Know that you have a total of 90 liters of the mixture.
- Step 3: To find out how much vinegar is in the mixture, you need to calculate 30% of 90 liters.
- Step 4: Convert 30% to a decimal. 30% is the same as 0.3.
- Step 5: Multiply the total volume of the mixture (90 liters) by the decimal (0.3).
- Step 6: Calculate 0.3 * 90 = 27 liters.
- Step 7: Conclude that there are 27 liters of vinegar in the mixture.
- Percentage Calculation – Understanding how to calculate a percentage of a total quantity.
- Proportional Reasoning – Applying proportional reasoning to determine the part of a whole.
