Discount: when buying and selling goods, it is priced at a certain percentage of the original price. If it is 90%, it is called 10% discount or 10% discount. For example, if you buy an item of 100 yuan, 100 x 0.6 = 60 yuan, you can get it.

The meaning of mathematical discount: in practical problems, several discounts mean that the current price accounts for dozens of percent of the original price, and several discounts mean that the current price accounts for dozens of percent of the original price.

Discount type

1. quantity discount: discount given by manufacturers to distributors, retailers or large customers due to large purchases.

2. Cash discount: price discount for buyers who pay the goods in time.

3. Functional discount: It is a discount provided to buyers by members of trade channels who perform certain functions, such as promotion, storage and accounting records.

Seasonal discount: a discount offered by the seller to those buyers who buy out-of-season goods or services.

5. Online ordering discount: provide discounts for customers who order online.