Percents, Percents, 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 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 50, calculate 50 * 0.20 = 10.

Front

What is the formula for finding the whole when given a part and a percent?

Back

The formula is: Whole = Part / (Percent / 100). For example, if 26 is 5% of a number, the whole is 26 / (5 / 100) = 520.

Front

How do you find the percent increase?

Back

Percent Increase = ((New Value - Original Value) / Original Value) * 100.

Front

How do you find the percent decrease?

Back

Percent Decrease = ((Original Value - New Value) / Original Value) * 100.

Front

What is 30% of $20?

Back

$6. This is calculated by multiplying $20 by 0.30.

Front

What is the tip amount if the bill is $6.68 and the tip percentage is 23%?

Back

The tip amount is $1.54, calculated as $6.68 * 0.23.

Front

What is 19% of 50?

Back

9.5. This is calculated by multiplying 50 by 0.19.

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 does it mean if a number is 5% of another number?

Back

It means that the first number is 5 parts out of 100 parts of the second number.