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A 27 Out of 30 As a Percentage:

## 27 Out of 30 As a Percentage

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The authors of this study conducted a survey of high-performing individuals. They arrived at a result that, for the most part, reflects their own experience: 27 out of 30 high performers, on average, saw the world as a better place than the average person on Earth. This result gives legitimacy to the idea that wellness is an achievement not just in the medical sense, though it is a major player there.

### Use

Another common error is around percentage increases. For example, the price of a loaf of bread increases by 10%. After the increase the price was £1.10, how much did the bread cost before the increase. A really common error is for people to try and solve this type of question by calculating: £1.10 x 0.9 = £0.99. This is incorrect. Remember, that £1.10 = 110%, therefore you must use this calculation: (£1.10/110) x 100 = £1.00 One of the recommended formulas to use when we want to know the percentage that a number with a decimal represents of another number is {eq}100a \div b {/eq}. This is because we can sometimes eliminate our decimal when we multiply the number representing the part by 100. This only works if there are only one or two spaces used after the decimal point.

Before we get started in the fraction to percentage conversion, let's go over some very quick fraction basics. Remember that a numerator is the number above the fraction line, and the denominator is the number below the fraction line. We'll use this later in the tutorial. I've seen a lot of students get confused whenever a question comes up about converting a fraction to a percentage, but if you follow the steps laid out here it should be simple. That said, you may still need a calculator for more complicated fractions (and you can always use our calculator in the form below). (Source: visualfractions.com)

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