Percentages

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 (as a decimal). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

Front

What is the formula to find what percent one number is of another?

Back

The formula is: (Part/Whole) x 100 = Percentage. For example, to find what percent 10 is of 40, calculate (10/40) x 100 = 25%.

Front

What is 20% of 35?

Back

7

Front

10 is 10% of what number?

Back

100

Front

13 is 20% of what number?

Back

65

Front

What is 10 as a percent of 40?

Back

25%.

Front

What is 12 as a percent of 36?

Back

33%.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the top number (numerator) by the bottom number (denominator) and then multiply by 100. For example, 1/4 = (1 ÷ 4) x 100 = 25%.

Front

What does it mean if a number is increased by a percentage?

Back

Increasing a number by a percentage means adding that percentage of the number to itself. For example, increasing 100 by 20% means adding 20 (which is 20% of 100) to 100, resulting in 120.