Percent Equation

Front

What is the formula to calculate a percentage of a number?

Back

Percentage = (Part / Whole) x 100

Front

What is 100% of a number?

Back

The number itself.

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.

Front

What is 50% of a number?

Back

Half of the number.

Front

If 20 is 40% of a number, how do you find the whole number?

Back

Whole = Part / (Percentage / 100) => Whole = 20 / 0.4 = 50.

Front

What is the relationship between fractions and percentages?

Back

A percentage is a fraction out of 100.

Front

How do you find what percent one number is of another?

Back

(Part / Whole) x 100.

Front

What is 25% of 200?

Back

50.

Front

If a number increases by 20%, what is the new number?

Back

New Number = Original Number + (Original Number x 0.20).

Front

What is 10% of 150?

Back

15.