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 20% of 45, calculate 0.20 * 45 = 9.

Front

What is the formula for finding the percent of a part to a whole?

Back

The formula is: Percent = (Part / Whole) * 100.

Front

If 20% of a number is 9, what is the number?

Back

To find the number, divide 9 by 0.20. The number is 45.

Front

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

Back

The part is the portion of the whole, and the percent represents how much of the whole the part is.

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.

Front

What is the percent proportion?

Back

The percent proportion is a way to compare a part to a whole using percentages, often expressed as Part/Whole = Percent/100.

Front

What percent of 500 is 25?

Back

5%.

Front

What is 120% of a number?

Back

120% of a number means you take the number and multiply it by 1.2.

Front

If 90 is 120% of what number, how do you find that number?

Back

To find the number, divide 90 by 1.2. The number is 75.