profit loss and discount

"The Surging Crowd" was a profitable movie. On March 11th, 2021, the movie's single-day box office revenue reached 8.35 million yuan, and the cumulative box office revenue had reached 633 million yuan. In addition, on professional film word-of-mouth platforms, the rating of " Surging Crowd " was as high as 9.1. Therefore, it could be said that 'The Surging Crowd' was a successful movie at the box office.

Assuming that there are 100 of these books and 40% profit after sale, the profit after sale is ``` 40% × 21 yuan = 8 yuan ``` According to the 20% discount, each book was priced at 21 yuan x 08 = 166 yuan. Then the profit from selling at this price is ``` 166 yuan- 21 yuan = -56 yuan ``` Because of the 20% discount, they lost 56 yuan of profit. Therefore, selling it at a 20% discount was not profitable.

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Secondhand bookstores secretly sell old books at a discount of 40%, then sell them at a discount of 25%. The profit of the store can be calculated as follows: Assuming that the price of the secondhand bookstore is X yuan, the secret price is X(1-40%)= 06X yuan. Then, the store would sell it at a 25% discount according to the price on the back cover, which was 0.6 X(1-25%)= 0.3 X yuan. In the end, the store's profit was 03X-X = 02X yuan. Therefore, the store's profit was 0.2X yuan, which was 20% of the profit. Therefore, the profit of the secondhand bookstore is 02X =20%, where X is the price of the old book.

The profit that the bookstore can earn can be calculated by the following formula: Profits = sales-costs The sales included the amount of old books purchased at the back cover price and the amount of old books sold at 25% cheaper than the back cover price. Assuming that the price on the back cover is X, the cost of buying old books at a 40% discount is 04X. Then, the secondhand bookstore would sell the old books at a 0.75% discount from the back cover price, which meant that the sales would be 0.75x. Therefore, the profit that the bookstore could earn was: Profits = 075X-04X = 035X Therefore, the bookstore could earn a profit of 0.35x.

There were some mobile game discount platforms that could offer discounts. Among them, the 20% discount on the Mi Lu mobile game discount platform, the Nine Demon discount mobile game app, the Batu game discount APP, the 28 mobile game, and the discount game platform all offered 20% discounts. These platforms worked with game developers and developers to provide players with discounts of up to 70%, allowing players to enjoy the game at a lower price. In addition, these platforms also focused on user experience and provided rich game resources and special benefits. However, which platform was the best would depend on one's personal needs and preferences.

The 28% discount platform was an automatic discount platform that provided discounts and offers, providing an experience for the purchase of games for the users of the game. The platform worked with game developers and developers to provide players with discounts of up to 70%, making expensive games more affordable. In addition to discounts, the 28% discount platform also paid attention to the user experience. However, the search results did not provide more information about the 28% discount platform, such as the specific content, functions, and user reviews of the platform.

The 20% discount platform was an automatic discount platform that provided discounts and offers to players. These platforms worked with game developers and developers to give players discounts of up to 70%, making expensive games more affordable. In addition, these platforms also focused on the user experience, providing players with affordable discounts and benefits. Some of the 20% discount mobile game discount platforms included the 20% discount mobile game discount platform for Mi Lu, the Nine Demon discount mobile game app, the Batu game discount APP, 28 mobile games, and the discount game. These platforms worked with game developers and developers to provide discounts to players, allowing players to buy their favorite mobile games at a lower price. Through cooperation with game developers and developers, these platforms provided players with more choices and more affordable prices, allowing players to buy their favorite mobile games at a lower price.

The 20% discount platform was an automated discount platform that provided discounts. It worked with game developers and developers to provide players with discounts of up to 70%. These platforms focused on the user experience and provided affordable discounts and benefits. Some of the 20% discount mobile game discount platforms included the 20% discount on Mi Lu mobile game discount platform, the Nine Demon discount mobile game app, the Batu game discount APP, 28 mobile games, and the discount game. These platforms worked with game developers and developers to provide discounts to players, allowing players to buy their favorite mobile games at a lower price. However, which platform was the best would depend on one's personal needs and preferences.

The 20% discount platform was an automated discount platform that provided discounts. It worked with game developers and developers to provide players with discounts of up to 70%. These platforms focused on the user experience and provided affordable discounts and benefits. Some of the 20% discount mobile game discount platforms included the 20% discount mobile game discount platform for Mi Lu, the Nine Demon discount mobile game app, the Batu game discount APP, 28 mobile games, and the discount game. The best platform to choose was based on personal needs and preferences.