Percent of a Number

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is denoted by the symbol '%'.

Front

How do you calculate the percent of a number?

Back

To calculate the percent of a number, multiply the number by the percent (in decimal form). For example, to find 25% of 80, calculate 80 x 0.25.

Front

What is 50% of 250?

Back

125

Front

Calculate 25% of 80.

Back

20

Front

What is 98% of 254?

Back

248.92

Front

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

Back

To find what percent one number is of another, divide the first number by the second number and multiply by 100. For example, to find what percent 25 is of 60, calculate (25/60) x 100.

Front

25 is what percent of 60?

Back

41.7%.

Front

How do you calculate a tip as a percent of a meal?

Back

To calculate a tip, multiply the total meal cost by the tip percentage (in decimal form). For example, for a $30 meal with a 20% tip, calculate 30 x 0.20.

Front

How much tip money would you need to leave for 20% on a $30 meal?

Back

$6.00

Front

What is the formula for finding the percent increase?

Back

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