What Is 90% Of 20?

Are you curious to know what is 90% of 20? You have come to the right place as I am going to tell you everything about 90% of 20 in a very simple explanation. Without further discussion let’s begin to know what is 90% of 20?

What Is 90% Of 20?

Mathematics plays a crucial role in our daily lives, helping us make sense of the world and solve everyday problems. One common type of mathematical question that arises frequently is the calculation of percentages. In this blog post, we’ll explore a straightforward and practical question: What is 90% of 20? By the end, you’ll not only know the answer but also understand the concept behind the calculation.

Understanding Percentages

Before we calculate 90% of 20, let’s briefly delve into the concept of percentages. A percentage is a way to express a fraction of a whole, with the whole represented by the number 100. In other words, when you see a percentage, it tells you how many parts out of 100 you have. For example, 90% means you have 90 out of every 100.

Calculating 90% Of 20

Now, let’s apply this concept to our question: What is 90% of 20? To find the answer, you can use a simple formula:

(Percentage / 100) * Number

In our case:

(90 / 100) * 20

First, divide 90 by 100:

90 / 100 = 0.9

Now, multiply the result by 20:

0.9 * 20 = 18

So, 90% of 20 is equal to 18.

Practical Applications

Understanding percentages and knowing how to calculate them is incredibly useful in various real-life situations. Here are a few practical examples:

  1. Discounts: If you see a sale offering a 20% discount on a $50 item, you can quickly calculate the discounted price as 20% of $50, which is $10. So, you’d pay $40.
  2. Tip Calculation: When dining at a restaurant, you might want to leave a 15% tip on a $60 bill. To calculate the tip, find 15% of $60, which is $9.
  3. Tax Calculation: If your local sales tax is 8%, and you’re buying an item for $100, you can calculate the tax amount by finding 8% of $100, which is $8.
  4. Exam Scores: In education, percentages are commonly used to express exam scores. If you scored 75% on a test with 100 questions, you answered 75 questions correctly.


Understanding percentages is a valuable skill in everyday life. It allows you to make quick calculations, whether you’re shopping, dining out, or dealing with various types of data. In the case of finding 90% of 20, you simply need to divide 90 by 100 to get 0.9 and then multiply it by 20 to find that 90% of 20 is 18. These simple calculations empower you to make informed decisions and solve practical problems efficiently. So, next time you encounter a percentage-related question, you’ll have the tools to tackle it with ease.

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How Do You Calculate 90% Percent?

90 percent is equal to ninety hundredths as a fraction and 0.9 or 0.90 as a decimal. This is because the word percent means out of 100. The word of in maths means multiply. We can therefore multiply ninety hundredths or 0.9 by 90 to calculate 90 percent of 90.

What Is The 90 Of 20 With Solution?

The 90 percent of 20 is equal to 18. It can be easily calculated by dividing 90 by 100 and multiplying the answer with 20 to get 18.

 What Is Or What Is 80% Of 20?

80% of 20 is 16.

How Do You Work Out 10% Of 20?

10% of 20 = 2.

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