Percents. Decimals. Fractions.

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What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

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How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add the percent symbol. For example, 0.75 becomes 75%.

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How do you convert a percent to a decimal?

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To convert a percent to a decimal, divide the percent by 100. For example, 25% becomes 0.25.

Front

What is a fraction?

Back

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How do you convert a fraction to a decimal?

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Front

What fraction represents the decimal 0.25?

Back

Front

If 20% of a class are girls, what percentage are boys?

Back

If 20% are girls, then 80% are boys.