Finding percents

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 convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then multiply the result by 100.

Front

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

Back

The formula to find a percentage of a number is: (Percentage / 100) * Total Number.

Front

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

Back

To find what percent one number is of another, use the formula: (Part / Whole) * 100.

Front

If 40% of a number is 22, what is the number?

Back

To find the number, use the formula: Number = Part / (Percentage / 100). In this case, Number = 22 / 0.40 = 55.

Front

What is the relationship between fractions and percents?

Back

Fractions can be converted to percents by multiplying by 100, and percents can be converted to fractions by dividing by 100.

Front

How do you calculate the percent increase?

Back

To calculate the percent increase, use the formula: ((New Value - Old Value) / Old Value) * 100.

Front

What is the percent decrease formula?

Back

The percent decrease formula is: ((Old Value - New Value) / Old Value) * 100.

Front

If a student scores 90 out of 100 on a test, what is their score as a percent?

Back

The score as a percent is (90 / 100) * 100 = 90%.

Front

How do you find 25% of a number?

Back

To find 25% of a number, multiply the number by 0.25.