Calculation method of discount:
1, original price × (discount10)
For example, the original price of 70 yuan is 30% off, that is, 70× (3 ÷ 10) = 2 1.
2. Original price × discount/10
For example, the original price of 40 yuan is 50% off, that is, 40× 5/ 10 = 20.
3. Original price ×0. * Discount
For example, the original price 100 yuan, 10% discount, that is:100× 0.1=10.
Extended data:
When encountering problems in application, 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.
There are many kinds of discounts used in international trade, including general discounts, quantity discounts for expanding sales, special discounts for special purposes and year-end rebates.
References:
Baidu Encyclopedia-Discount (what percentage of pricing)