Percent of a Number

Front

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 '%'.

Front

How do you find the percent of a number?

Back

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

Front

What does it mean when we say 'X is Y% of Z'?

Back

It means that X is Y percent of the total amount Z. To find Z, you can rearrange the formula: Z = X / (Y/100).

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, 25% becomes 0.25.

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 100% of a number?

Back

100% of a number is the number itself. For example, 100% of 60 is 60.

Front

How do you find what number a certain percent represents?

Back

To find what number a certain percent represents, use the formula: Number = Part / (Percent/100).

Front

What is 10% of 200?

Back

10% of 200 is 20.

Front

If 25 is 20% of what number, how do you find that number?

Back

To find that number, use the formula: Number = 25 / (20/100) = 125.

Front

What is 15% of 82?

Back

15% of 82 is 12.3.