Finding Percents Review

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 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 * 0.20 = 10.

Front

What is 8% of 70?

Back

5.6

Front

What is 90% of 50?

Back

45

Front

What is 70% of 500?

Back

350

Front

What is 9% of 50?

Back

4.5

Front

What is 12% of 40?

Back

4.8

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 for finding the percent of a number?

Back

Percent = (Part/Whole) * 100.

Front

If you have 25% of a number, how do you find the original number?

Back

To find the original number, divide the part by the percent (in decimal form). For example, if 25% of a number is 10, the original number is 10 / 0.25 = 40.