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 a percent of a number?

Back

To find a 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 to find 'X is Y% of Z'?

Back

It means you are looking for the whole number (Z) when you know a part (X) and the percentage (Y).

Front

How do you convert a percentage to a decimal?

Back

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

Front

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

Back

The formula is: Whole = Part / (Percentage in decimal form).

Front

If 25 is 20% of what number?

Back

125. (25 = 20% of 125)

Front

What is 50% of 80?

Back

40.

Front

How do you calculate 10% of a number?

Back

To calculate 10% of a number, divide the number by 10.

Front

What is 75% of 200?

Back

150.

Front

If 15 is 30% of what number?

Back

50.