Percents

Front

What is a percent?

Back

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

Front

How do you calculate a percent of a number?

Back

To calculate a percent of a number, multiply the number by the percent (in decimal form). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

Front

What does it mean to find 'X% of Y'?

Back

Finding 'X% of Y' means calculating how much X percent of the total Y is. It can be done by multiplying Y by X/100.

Front

What is 100% of a number?

Back

100% of a number is the number itself. For example, 100% of 50 is 50.

Front

What is 50% of a number?

Back

50% of a number is half of that number. For example, 50% of 80 is 40.

Front

What is 25% of a number?

Back

25% of a number is one-fourth of that number. For example, 25% of 80 is 20.

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide the percent by 100. For example, 75% as a decimal is 0.75.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100. For example, 0.85 as a percent is 85%.

Front

What is the formula to find the whole number when given a percent and a part?

Back

The formula is: Whole = Part / (Percent / 100). For example, if 20 is 25% of a number, the whole number is 20 / 0.25 = 80.

Front

What is 20% of 65?

Back

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