Percents & Percent Proportions

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 percent of a number?

Back

To calculate a percent of a number, multiply the number by the percent (in decimal form). For example, to find 20% of 75, calculate 75 x 0.20 = 15.

Front

What is the formula for percent proportion?

Back

The formula for percent proportion is: (Part/Whole) = (Percent/100).

Front

What is 20% of 75?

Back

15

Front

What is 125% of 84?

Back

105

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100. For example, 1/2 = 0.5 x 100 = 50%.

Front

What percent is 30 out of 100?

Back

30%.

Front

If 60% of a number is 30, what is the number?

Back

50. (30 = 0.60 * Number, so Number = 30 / 0.60 = 50.)

Front

What is the relationship between percent, part, and whole?

Back

Percent is the part divided by the whole, multiplied by 100.

Front

What is 62% of 100?

Back

62.