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There are two kinds of refrigerators in Xinhua shopping mall. The purchase price of a refrigerator is 2500 yuan. Market research shows that when the sales price is 2900 yuan, it can sell 8 refrigerators per day on average There are two kinds of refrigerators in Xinhua shopping mall. The purchase price of type a refrigerators is 2500 yuan. Market research shows that when the sales price is 2900 yuan, 8 refrigerators can be sold every day on average. When the sales price is reduced by 50 yuan, 4 refrigerators can be sold every day on average. The purchase price of type B refrigerators is 2000 yuan. Market research shows that when the sales price is 2500 yuan, 8 refrigerators can be sold every day on average When the price is reduced by 45 yuan, an average of 4 more refrigerators are sold every day. If the market wants to make the average profit of the two refrigerators reach 5000 yuan every day, what are the prices of the two refrigerators? It's due tomorrow!
Let a be x, we can get: (2900-2500-x) * (8 + 4x / 50) = 5000. Similarly, we can get B, just change the number
RELATED INFORMATIONS
- 1. Market research shows that when the selling price is 2900 yuan, an average of 8 refrigerators can be sold every day; when the selling price is reduced by 50 yuan, an average of 4 more refrigerators can be sold every day; how many yuan should the selling price be reduced to make the average profit of this refrigerator reach 5000 yuan every day?
- 2. Xinhua shopping mall sells some refrigerators at a price of 2500 yuan per unit. Market research shows that when the selling price is set at 2900 yuan, an average of 8 refrigerators are sold every day, but they are not sold in the market
- 3. A supermarket sells 2000 yuan refrigerators at 2400 yuan, an average of 8 refrigerators per day. In order to cooperate with the implementation of the national policy of "home appliances to the countryside", the supermarket The survey shows that if the price of this kind of refrigerator is reduced by 50 yuan, 4 more refrigerators will be sold every day. (1) suppose that the price of each refrigerator is reduced by X Yuan, and the profit of this kind of refrigerator is y yuan every day. Please write the function expression between Y and X; (it is not required to write the value range of the independent variable.) (2) In order to make a profit of 4800 yuan per day in the sales price of this kind of refrigerator, and at the same time make the people get benefits, how much should each refrigerator be reduced? Ask for a way to do this,
- 4. A supermarket sells a refrigerator with a purchase price of 2000 yuan at 2400 yuan, with an average of 8 refrigerators sold every day. The survey shows that every 50 yuan reduction in the price of this refrigerator will result in an average of 8 refrigerators
- 5. Uncle Li bought a color TV and a washing machine in May this year. According to the subsidy standard of "home appliances going to the countryside", the government will subsidize the farmers by 13% of the price of each home appliance. Therefore, Uncle Li received 390 yuan from the township government. If the price of the color TV is 1000 yuan higher than that of the washing machine, how much is the price of the color TV and the washing machine?
- 6. As shown in the figure, the four vertices of the quadrilateral ABCD are on ⊙ o, AC and BD are diagonals, and AC ⊥ BD, OE ⊥ BC are on E. explore the quantitative relationship between OE and AD
- 7. The original price of a refrigerator was 1470, but now the price is reduced by one seventh. How much is the current price of this refrigerator
- 8. A refrigerator used to sell for 2400 yuan, but now the price is reduced by 1 / 8. How much is the price reduced?
- 9. The price of a refrigerator is 2460 yuan after the price reduction of 16 yuan. How much is the original price of this refrigerator? The correct expression is () A. 2460÷16B. 2460×(1+16)C. 2460÷(1−16)
- 10. The price of a refrigerator is increased by 1 / 15 and then decreased by 1 / 15. Compared with the original refrigerator, the price of this refrigerator is () a, increased B, decreased C and unchanged
- 11. A supermarket sells a batch of refrigerators with a purchase price of 2500 yuan. When the sales price is set at 3500 yuan, an average of 8 refrigerators are sold every day, and for every 100 yuan reduction in the sales unit price of refrigerators, an average of 2 more refrigerators are sold every day. In order to sell more refrigerators and increase the daily profit by 1000 yuan, what is the daily preferential price?
- 12. Market research shows that when the selling price is 2900 yuan, an average of 8 refrigerators can be sold every day; when the selling price is reduced by 50 yuan, an average of 4 more refrigerators can be sold every day; how many yuan should the selling price be reduced to make the average profit of this refrigerator reach 5000 yuan every day?
- 13. The market research shows that when the selling price is 2900 yuan, an average of 8 refrigerators will be sold every day. When the selling price is reduced by 50 yuan, an average of 4 refrigerators will be sold every day. If the selling price is 2700 yuan, how many refrigerators will be sold every day? How many units can be sold in a day at this time? If the selling price is x yuan (x ≤ 2900), how many refrigerators can be sold in one day?
- 14. Market research shows that when the selling price is 2900 yuan, an average of 8 refrigerators can be sold every day; when the selling price is reduced by 50 yuan, an average of 4 more refrigerators can be sold every day; how many yuan should the selling price be reduced to make the average profit of this refrigerator reach 5000 yuan every day?
- 15. Market research shows that when the selling price is 2900 yuan, an average of 8 refrigerators can be sold every day; when the selling price is reduced by 50 yuan, an average of 4 more refrigerators can be sold every day; how many yuan should the selling price be reduced to make the average profit of this refrigerator reach 5000 yuan every day?
- 16. In response to the national call of "home appliances to the countryside", a refrigerator factory plans to produce 100 refrigerators of a and B models. According to the budget, after all the refrigerators are sold out The profit can be no less than 47500 yuan and no more than 48000 yuan,
- 17. (2) If the average price of home appliances is: 1500 yuan for each color TV set, 1500 yuan for each refrigerator, 2000 yuan for each refrigerator, 800 yuan for each mobile phone, it is known
- 18. In order to welcome the activities of home appliances going to the countryside, Xinhua shopping mall sells a certain kind of refrigerator. The purchase price of each refrigerator is 2500 yuan. Market research shows that when the sales price is set at 2900 yuan, an average of 8 refrigerators can be sold every day; when the sales price is reduced by 50 yuan, an average of 4 more refrigerators can be sold every day. (1) how much should the price of each refrigerator be if the shopping mall wants to make the average sales profit of this kind of refrigerator reach 4800 yuan every day ？ How many refrigerators can be sold per day? (2) Is 4800 yuan a day the biggest profit? If not, try to find out the highest profit when the price of each refrigerator is RMB, and what is the highest profit?
- 19. The number of color TV sets purchased by Hongguang Electric Appliance Store is 3 times more than that of refrigerator, 2 sets more than that of refrigerator, and 90 sets of shower, 4.5 times more than that of color TV sets How many color TV sets and refrigerators do you want to buy?
- 20. Siping home appliance store has 240 TV sets of various brands, 15 more than refrigerators. How many refrigerators does the store have?