Percent of a Number

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate the percent of a number?

Back

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

Front

What is 10% of 200?

Back

20

Front

If 50% = $100, how much is 25%?

Back

$50

Front

What is 75% of 80?

Back

60

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% = 25/100 = 0.25.

Front

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

Back

Whole = Part / (Percent as a decimal). For example, if 20 is 25% of a number, the whole is 20 / 0.25 = 80.

Front

What is 5% of 300?

Back

15

Front

If 30% of a number is 90, what is the number?

Back

300

Front

What is 15% of 200?

Back

30