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FutureStarrWhat Is 9 Percent of 20 OR
First, note that 9 percent means 9 per hundred. In this case, the fraction is going to be 9/100. Next, divide 9 by 100. In order to divide by 100, we’re going to multiply by 100, so the fraction is 9x100. Then, express 9 as a percentage. In order to calculate percentages of numbers, divide it by 100. In this case, the percentage is 9/100.
Other than being helpful with learning percentages and fractions, this tool is useful in many different situations. You can find percentages in almost every aspect of your life! Anyone who has ever been to the shopping mall has surely seen dozens of signs with a large percentage symbol saying "discount!". And this is only one of many other examples of percentages. They frequently appear, e.g., in finance where we used them to find an amount of income tax or sales tax, or in health to express what is your body fat. Keep reading if you would like to see how to find a percentage of something, what the percentage formula is, and the applications of percentages in other areas of life, like statistics or physics.
This is all nice, but we usually do not use percents just by themselves. Mostly, we want to answer how big is one number in relation to another number?. To try to visualize it, imagine that we have something everyone likes, for example, a large packet of cookies (or donuts or chocolates, whatever you prefer ðŸ˜‰ - we will stick to cookies). Let's try to find an answer to the question of what is 40% of 20? It is 40 hundredths of 20, so if we divided 20 cookies into 100 even parts (good luck with that!), 40 of those parts would be 40% of 20 cookies. Let's do the math: (Source: www.omnicalculator.com)
Learn how to calculate percentages in this easy lesson! When you're asked to calculate an (unknown) percentage ("What percentage...?"), you need to first write the fraction PART/TOTAL, and then simply write that fraction as a decimal and as a percentage. See many examples below. Look carefully at the questions above. Notice that the problems don’t tell you the percentage; in other words, there is no number in the problem written as x%. Instead, they ask you to find it!Now without even having to write that, the student should see that to go from base 50 to base 100, we have to multiply by 2. Therefore we must multiply 24 by 2, also.
Staying with our cookie examples, let's name the three parts in our equation: the percentage of cookies - 40%, the whole pack of cookies - 20 and the part of the pack of cookies - 8. Depending on what you want to estimate, you can write three various percentage formulas. Forty percent of the group are girls. That's the entire procedure of converting between decimal fractions and percentages. Speaking of decimal fractions, there is a way to write very big or very small numbers concisely. Check it out with our scientific notation calculator! (Source: www.omnicalculator.com)