Percent Equations

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 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 40% of 230, calculate 0.40 * 230.

Front

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

Back

The formula is: Whole = Part / (Percentage in decimal form). For example, if 90 is 120% of a number, the number is 90 / 1.2.

Front

How do you convert a fraction to a percentage?

Back

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

Front

What is the relationship between percentages, decimals, and fractions?

Back

Percentages, decimals, and fractions are different ways to represent the same value. For example, 50% = 0.5 = 1/2.

Front

What is 40% of 230?

Back

92

Front

90 is 120% of what number?

Back

75

Front

78 is what percent of 450?

Back

17%

Front

What percent of 500 is 25?

Back

5%

Front

Select the equation that represents the situation: 32% of 208 is what number?

Back

0.32(208) = x