Calculating Percentages

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It represents how many parts out of 100 are being considered.

Front

How do you calculate a percentage of a number?

Back

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

Front

What does it mean to convert a percentage to a decimal?

Back

Converting a percentage to a decimal involves dividing the percentage by 100. For example, 25% becomes 0.25.

Front

How do you convert a decimal back to a percentage?

Back

To convert a decimal to a percentage, multiply the decimal by 100. For example, 0.75 becomes 75%.

Front

What is 50% of 200?

Back

100

Front

If 30 is 200% of a number, what is the number?

Back

15

Front

What is 10% of $500?

Back

$50

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, divide the first number by the second number and multiply by 100. For example, (30/15) * 100 = 200%.

Front

What is 75% of 80?

Back

60

Front

If 6.5 is 25% of a number, how do you find the number?

Back

Divide 6.5 by 0.25. The number is 26.