what is 25 of 9

2 min read 25-12-2024

Finding a percentage of a number is a common calculation in many areas of life, from calculating sales tax to determining discounts. This article will clearly explain how to calculate 25% of 9, and provide a simple method you can use for similar problems.

Understanding Percentages

Before diving into the calculation, let's refresh our understanding of percentages. A percentage is a fraction or ratio expressed as a number out of 100. For instance, 25% means 25 out of 100, which can be written as the fraction 25/100 or the decimal 0.25.

Calculating 25% of 9: The Easy Way

There are several ways to calculate 25% of 9. The easiest method often involves converting the percentage to a decimal or fraction and then multiplying.

Method 1: Using Decimals

Convert the percentage to a decimal: 25% is equivalent to 0.25 (divide 25 by 100).
Multiply the decimal by the number: Multiply 0.25 by 9: 0.25 x 9 = 2.25

Therefore, 25% of 9 is $\boxed{2.25}$

Method 2: Using Fractions

Convert the percentage to a fraction: 25% is equivalent to 25/100. This fraction can be simplified to 1/4.
Multiply the fraction by the number: Multiply 1/4 by 9: (1/4) x 9 = 9/4
Convert the improper fraction to a decimal: 9/4 = 2.25

Therefore, again, 25% of 9 is $\boxed{2.25}$

Practical Applications

Understanding how to calculate percentages is crucial in various real-world scenarios. Here are a few examples:

Sales and Discounts: If a store offers a 25% discount on an item priced at $9, you would save $2.25.
Tip Calculation: Calculating a 25% tip on a $9 bill would also result in a $2.25 tip.
Commission: If someone earns a 25% commission on $9 of sales, their commission would be $2.25.

Conclusion

Calculating 25% of 9 is a straightforward process, easily solved by converting the percentage to either a decimal or a fraction and then performing simple multiplication. This fundamental skill is widely applicable in everyday life and understanding the process will empower you to tackle similar percentage calculations with confidence. Remember, 25% of 9 is $\boxed{2.25}$ .