Percent Proportions

Front

What is the definition of 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 230 * 0.40 = 92.

Front

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

Back

The formula is: Whole = Part / (Percent / 100). For example, if 34% of a number is 51, the whole is 51 / (34 / 100) = 150.

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, 1/4 = (1 ÷ 4) * 100 = 25%.

Front

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

Back

Percent is the part divided by the whole, multiplied by 100. This relationship can be expressed as: Percent = (Part / Whole) * 100.

Front

What is 40% of 20?

Back

8

Front

What percent of 80 is 16?

Back

20%

Front

If 25% of a number is 50, what is the number?

Back

200

Front

What is 75% of 60?

Back

45

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, to find what percent 29 is of 145, calculate (29 / 145) * 100 = 20%.