# Price discount

Price discount occurs when items are sold at a reduced cost. Find out now how you can compute the discount.

## Terms to know and formula to use when looking for the price discount

List price: Regular price of an item.

Discount: A reduction made from the regular price

Sale price: The reduced cost of an item

Discount rate: Percent that the price is reduced

To find a sale price, use the following formulas:

Sale price = List Price − Discount

Discount = (List Price) × (Discount Rate)

## A few examples showing how to find the price discount

Exercise # 1:

Find the sale price for an item that has a list price of 100 dollars and a discount rate of 25%.

Discount = (List Price) × (Discount Rate)

Discount = 100 × 25% = 100 × 0.25 = 25

Sale price = List Price - Discount Price = 100 - 25 = 75 dollars.

Exercise # 2:

Find the sale price of an item that has a list price of 24 dollars and a discount rate of 50%.

Discount = (List Price) × (Discount Rate)

Discount = 24 × 50% = 24 × 0.50 = 12

Sale Price = List Price - Discount = 24 − 12 = 12 dollars.

Exercise # 3:

Find the sale price of an item that has a list price is 27 dollars and a discount rate of 33.33333%.

Discount = (List Price) × (Discount Rate)

Discount = 27 × 33.33333% = 27 × 0.3333333 = 8.9999999

Sale Price = List Price - Discount = 27 − 8.9999999 = 18.0000001 dollars.

## How to quickly compute the discount in your head when the discount is 10%, 20%, 25%, 50%, or 75%

Stores usually give discount that are easily to do with math

Some discount can be 10%, 20%, 25%, 50% or 75%

10%: Divide the list price by 10 to get the discount

20%: Divide the list price by 5 to get the discount

25%: Divide the list price by 4 to get the discount

50%: Divide the list price by 2 to get the discount

75%: Divide the list price by 4 then multiply by 3 to get the discount

For example, in exercise #1, the list price is 100 and the discount is 25%.

Just divide 100 by 4 to quickly get 25 as the discount.

## Take this price discount quiz to see if you can find the sale price without any problem.

100 Tough Algebra Word Problems.

If you can solve these problems with no help, you must be a genius!

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