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Introduction
Have you ever found yourself in a situation where you need to calculate what 20 percent of a number is? Well, you’re not alone. In fact, many people struggle with this concept, especially when it comes to percentages that are not whole numbers. In this article, we will discuss what 20 percent of 7 is and provide some tips on how to calculate percentages quickly and easily.
What is a Percentage?
Before we dive into the specifics of calculating 20 percent of 7, let’s first define what a percentage is. A percentage is a way of expressing a fraction or a portion of something as a fraction of 100. For example, if you have 10 apples and you give away 2, you have given away 20 percent of your apples.
Calculating 20 Percent of 7
To calculate 20 percent of 7, you need to multiply 7 by 0.2. This is because 20 percent is equal to 0.2 as a decimal. Therefore, 20 percent of 7 is: 7 x 0.2 = 1.4 So, 20 percent of 7 is 1.4. It’s that simple!
Why is Knowing Percentages Important?
Knowing how to calculate percentages can be useful in many situations. For example, if you’re shopping and there’s a discount of 20 percent off a $50 item, you can quickly calculate the discounted price by multiplying 50 by 0.8 (100 percent minus 20 percent). This gives you the discounted price of $40.
Tips for Calculating Percentages
Calculating percentages can be tricky, especially when dealing with fractions or decimals. Here are some tips to help you calculate percentages quickly and easily: – Convert the percentage to a decimal by dividing it by 100. – To find what percentage one number is of another, divide the first number by the second number and multiply by 100. – To find the original amount after adding or subtracting a percentage, divide the new amount by 1 plus (or minus) the percentage as a decimal.
Conclusion
In conclusion, calculating 20 percent of 7 is a simple process that involves multiplying 7 by 0.2. Knowing how to calculate percentages can be useful in various situations, from shopping to finance. By following the tips provided in this article, you can quickly and easily calculate percentages without stress or confusion.
