Percent of a Quantity

Front

What is the definition of '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 quantity?

Back

To calculate a percent of a quantity, multiply the quantity by the percent (in decimal form). For example, to find 25% of 80, calculate 80 * 0.25.

Front

What is 50% of 200?

Back

100

Front

What is 10% of 150?

Back

15

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 75% of 120?

Back

90

Front

If a student answers 80% of 30 questions correctly, how many questions did they answer correctly?

Back

24

Front

What is 20% of 50?

Back

10

Front

How do you find the total amount if you know the percent and the part?

Back

To find the total amount, divide the part by the percent (in decimal form). For example, if 30 is 60%, the total is 30 / 0.6 = 50.

Front

What is 5% of 200?

Back

10