0.1 of 120: Understanding the Concept of Percentages
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Introduction
Percentages are a fundamental concept in mathematics that represent a fraction of 100. In this article, we will explore the concept of 0.1 of 120, which is a crucial part of understanding percentages.
What is 0.1 of 120?
0.1 of 120 is equivalent to 12. To find this value, we can multiply 120 by 0.1, which is the same as multiplying by 1/10.
Formula: 0.1 × 120 = 12
Understanding Percentages
Percentages are a way to express a value as a fraction of 100. For example, 25% is the same as 25/100 or 0.25. To find a percentage of a number, you can multiply the number by the percentage value.
Example: Find 25% of 100
Formula: 0.25 × 100 = 25
Real-World Applications
Understanding percentages is crucial in real-life situations, such as:
- Discounts: If a shirt is on sale for 20% off, and its original price is $100, you can find the discount amount by multiplying $100 by 0.20, which is $20.
- Interest Rates: If you deposit $1,000 into a savings account with a 5% annual interest rate, you can find the interest earned by multiplying $1,000 by 0.05, which is $50.
- Grades: If you score 80% on an exam, and the total marks are 100, you can find your score by multiplying 100 by 0.8, which is 80.
Conclusion
In conclusion, understanding 0.1 of 120 is a fundamental concept in percentages. By grasping this concept, you can apply it to various real-life situations, such as discounts, interest rates, and grades. Remember, percentages are all about expressing a value as a fraction of 100!
