What is a discount in math? Definition and examples

A discount is the amount by which the regular price of a product or service has been reduced. It is usually offered to encourage customers to make a purchase.


Discounts can be expressed as dollar amounts, percents, or common fractions. In many cases, it is offered as percents.


The discount on the sweater shown above is 25%. This means that the seller will remove 25 dollars for every hundred dollars from the regular price. 

Suppose the sweater cost 50 dollars. Since 50 is half 100, the seller will remove 25/2 from the regular price. 

25/2 = 12.5

The discount is 12.5

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