Percentage

Percentage is a number or ratio that represents a fraction of 100

For example: 50%, 32%, 80%, etc.

Percent means per 100.

Other pages:

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Reverse Percentage⁠

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Decrease and Increase in Percentage⁠

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So 50% means 50 out of 100, or 50/100, or 1/2.

30% means 30 out of 100, or

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, or

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60% means 60 out of 100, or

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, or

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a) Percentage of a Number

For example, 50% of 420.

To do this we need to simplify the fraction, if it is in the lowest form, then leave it as it be.

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Then write the down the fraction * the number:

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Answer: 210

b) Fractions to Percentage

To convert a fraction to a percentage, there are 2 ways to do it for different scenarios.

Scenario 1#:

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to percentage

To convert it to percentage, you need to make the denominator become 100 using multiplication. Which is basically 20, and multiply the numerator as well.

→

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= 40%

Answer: 40%

Scenario 2#:

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to percentage

Because 3 couldn’t multiply to 100, we will use a different method.

We will use the numerator and divide the denominator, which is 3.(3).

Now, we times it by 100, which we get 33.(3). Next just round it up to make 33, so 33% (if the question said to round up)

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