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 often used to compare ratios.

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 20% of 50, calculate 50 x 0.20 = 10.

Front

What does '40% off' mean?

Back

'40% off' means that 40% of the original price is deducted from the total price. For example, if an item costs $100, a 40% discount means you pay $60.

Front

How do you find the sale price after a discount?

Back

To find the sale price after a discount, subtract the discount amount from the original price. For example, if a jacket costs $25 and is 40% off, the discount is $10, so the sale price is $15.

Front

What is the formula to find the percent of a total?

Back

The formula is: (Part/Total) x 100 = Percent. For example, if you got 19 out of 25 questions correct, the percent is (19/25) x 100 = 76%.

Front

What is 9% of 50?

Back

9% of 50 is 4.5. (Calculation: 50 x 0.09 = 4.5)

Front

What is 3% of 750?

Back

3% of 750 is 22.5. (Calculation: 750 x 0.03 = 22.5)

Front

If 3 out of 5 cars are black, what percent of the cars are black?

Back

60%. (Calculation: (3/5) x 100 = 60%)

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 fractions, decimals, and percents?

Back

Fractions, decimals, and percents are different ways to represent the same value. For example, 1/2 = 0.5 = 50%.