Percentages Word Problems

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

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 30% of 100, calculate 100 x 0.30 = 30.

Front

What does 'discount' mean in shopping?

Back

A discount is a reduction in the price of a product or service, often expressed as a percentage.

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. Sale Price = Original Price - Discount Amount.

Front

If an item costs $100 and has a 20% discount, what is the discount amount?

Back

The discount amount is $20. (100 x 0.20 = 20)

Front

If a shirt costs $40 and is on sale for 25% off, how much will you pay?

Back

You will pay $30. (40 - (40 x 0.25) = 30)

Front

What is the formula to calculate the final price after tax?

Back

Final Price = Original Price + (Original Price x Tax Rate).

Front

If you earn $200 and pay 10% in taxes, how much do you take home?

Back

You take home $180. (200 - (200 x 0.10) = 180)

Front

What is the original price if the sale price is $80 after a 20% discount?

Back

The original price is $100. (Sale Price = Original Price - (Original Price x Discount Rate) => 80 = Original Price - (Original Price x 0.20) => Original Price = 100)

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 25% as a decimal is 0.25.