Have you ever wondered what percentage 21 is of 28? Understanding percentages is essential in many areas, such as finance, math, and everyday life. In this article, we’ll walk you through the step-by-step process of calculating what percentage 21 represents in relation to 28.
Calculation of What Percentage of 28 is 21
To determine what percentage 21 is of 28, we can use a simple formula. By dividing 21 by 28 and multiplying the result by 100, we can find the answer.
You are viewing: What Percentage of 28 is 21?
(21 / 28) * 100 = 0.75 * 100 = 75%So, it turns out that 21 is 75 percent of 28.
How to Calculate What Percentage of 28 is 21
To make it even clearer, let’s break down the calculation into simple steps:
Step 1: Define the Unknown Percentage
Let’s represent the unknown percentage as ‘P’.
Step 2: Set Up the Equation
To calculate the percentage, we can set up the equation as follows:
P percent * 28 = 21Step 3: Isolate the Unknown Percentage
To isolate ‘P’ on one side of the equation, we divide both sides by 28:
P = 21 / 28Step 4: Perform the Division
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Now, let’s calculate the result of the division:
P = 0.75Step 5: Convert the Decimal to a Percentage
To express the result as a percentage, we multiply the decimal by 100:
P = 0.75 * 100Step 6: Calculate the Final Result
By performing the multiplication, we find that:
P = 75%Therefore, 21 is 75 percent of 28.
Now that you understand the process, you can apply it to various scenarios. Let’s explore some sample questions and answers.
Sample Questions and Answers
Question: At a high school, 28 percent of seniors went on a mission trip. If there were 21 seniors, how many of them went on the trip?
Answer: 75 seniors went on the trip.
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Question: In kindergarten, 28 percent of the children like Thomas the Train. If there are 21 kids, how many of them like Thomas?
Answer: 75 kids like Thomas the Train.
Question: A few years ago, your uncle had 28 shares of his own company. Now he has 21 shares. What percentage of the company does he own?
Answer: He now owns 75 percent of the shares of his company.
Remember, when solving percentage problems, use the formula: Part/Total = Percent. By applying this formula, you can find the missing percentage.
In the case of our uncle’s shares, we take 28 as the total and 21 as the part. Now, let’s determine the missing percentage:
21/28 × 100/100 = 75/100Thus, he now owns 75 percent of the shares of his company.
Conclusion
Understanding percentages is a valuable skill in various areas of life. By following the simple steps outlined in this article, you can calculate what percentage one number represents in relation to another. Whether you’re working on a math problem, analyzing financial data, or simply curious about percentages, this guide will help you find the answers you need.
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