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A mixture of 80 liters contains 10% oil. How much oil is in the mixture?

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Question: A mixture of 80 liters contains 10% oil. How much oil is in the mixture?

Options:

  1. 5 liters
  2. 6 liters
  3. 7 liters
  4. 8 liters

Correct Answer: 8 liters

Solution: 

Oil = 10% of 80 liters = 0.1 * 80 = 8 liters.

A mixture of 80 liters contains 10% oil. How much oil is in the mixture?

Practice Questions

Q1
A mixture of 80 liters contains 10% oil. How much oil is in the mixture?
  1. 5 liters
  2. 6 liters
  3. 7 liters
  4. 8 liters

Questions & Step-by-Step Solutions

A mixture of 80 liters contains 10% oil. How much oil is in the mixture?
Correct Answer: 8 liters
  • Step 1: Understand that 10% means 10 out of every 100 parts.
  • Step 2: We have a total of 80 liters in the mixture.
  • Step 3: To find 10% of 80 liters, we can use the formula: 10% of a number = 0.1 * the number.
  • Step 4: Multiply 0.1 by 80 liters: 0.1 * 80 = 8 liters.
  • Step 5: Therefore, there are 8 liters of oil in the mixture.
  • Percentage Calculation – Understanding how to calculate a percentage of a total quantity.
  • Volume Measurement – Applying volume measurements in practical scenarios.
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