Finding Percent, Part, or Whole

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare quantities.

Front

How do you find the percent of a number?

Back

To find the percent of a number, multiply the number by the percent (in decimal form). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

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 30 is 60% of a whole, then Whole = 30 / (60 / 100) = 50.

Front

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

Back

The formula is: Part = Whole x (Percent / 100). For example, if the whole is 200 and you want to find 25%, then Part = 200 x (25 / 100) = 50.

Front

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

Back

The formula is: Percent = (Part / Whole) x 100. For example, if 25 is the part and 200 is the whole, then Percent = (25 / 200) x 100 = 12.5%.

Front

If 18 is what percent of 36?

Back

18 is 50% of 36.

Front

What is 20% of 60?

Back

20% of 60 is 12.

Front

If 600 is 300% of what number?

Back

600 is 200 when 300% is applied.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and multiply by 100.

Front

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

Back

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