Percentage Problems

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It represents how much of something there is out of a total of 100.

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 if a number is a certain percentage of another number?

Back

If a number is a certain percentage of another number, it means that the first number is that fraction of the second number. For example, if 30 is 60% of a number, then that number is 50.

Front

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

Back

To find what percentage one number is of another, divide the first number by the second number and multiply by 100. For example, to find what percentage 20 is of 80, calculate (20/80) * 100 = 25%.

Front

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

Back

The formula is: Whole = Part / (Percentage / 100). For example, if 30 is 75% of a number, the whole is 30 / (75/100) = 40.

Front

What is 36% of 86.7?

Back

31.2

Front

132 is 79% of what number?

Back

167.1

Front

What is 79% of 151?

Back

119.3

Front

82% of what number is 95?

Back

115.9

Front

8 is 220% of what number?

Back

3.6