Percent of a Number

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare ratios.

Front

How do you calculate a percent of a number?

Back

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

Front

What is 10% of $30?

Back

$3

Front

What is 50% of 250?

Back

125

Front

If 40% of jellybeans are red and there are 55 jellybeans, how many are red?

Back

22

Front

What is 6% of 125?

Back

7.5

Front

What is 40% of 75?

Back

30

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 the formula to find the percent of a number?

Back

The formula is: Percent of a number = (Percent / 100) x Number.

Front

What does it mean if a number is increased by a certain percent?

Back

It means you add that percent of the original number to the original number. For example, increasing 100 by 20% means adding 20 to 100, resulting in 120.