The original price of an induction cooker is 800 yuan, but now the price is reduced by three fifths. How much is the price reduced? How much is the current price? The original price of an induction cooker is 800 yuan, but now the price is reduced by three fifths. How much is the price reduced? How much is the current price?

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• 1. The purchase price of a commodity is 150 yuan, and the price is 200 yuan. The mall decides to sell it at a discount. In order to ensure that the profit is not less than 20%, how much discount at most
• 2. The profit problem in discount sale The cost price of a store's clothing is a yuan. If the price is increased by 40% of the cost price, the price will be 〔 yuan. If the price is sold at a 20% discount, the actual price will be 〕 yuan, and the store will make a profit of 〕 yuan
• 3. A store sells an electronic organ at a discount. The purchase price of an electronic organ is 2400. If it is sold at 20% off the marked price, the profit will not be less than 10% of the actual price, What is the price range of the electronic organ It's mathematics, one yuan, one time!
• 4. The store gives a 20% discount on a certain commodity. It is known that its original price is 2200 yuan, and the profit margin after discount is 10%, indicating the purchase price of the commodity Equation solution)
• 5. A store sells an electronic organ at a discount. The purchase price of an electronic organ is 1800 yuan. If it is sold at 20% off the price, the profit will not be less than 10% of the actual price, So what is the price range of electronic organ?
• 6. If a bookstore sells a new book at a 10% discount on its price, it can still make a profit of 20% A. 26 yuan B. 27 yuan C. 28 yuan D. 29 yuan
• 7. Schindler electronics stores sell certain electronic products at a price of 12 yuan per piece and 20 yuan per piece, Every time you buy one more, the price will be reduced by 0.10 yuan, but the lowest price is 16 yuan / piece 1. Ask customers how many at least they can buy at the lowest price at a time? 2. Write the functional relationship between profit y (yuan) and purchase quantity x (pieces) when x pieces are purchased at one time (x > 10) 3. According to this kind of promotion method, please analyze: does the store sell more and earn more? If so, please explain the reason; if not, in order to make more money each time, try to explain through calculation: under the condition of other promotion conditions unchanged, how much should the lowest price be raised to 16 yuan / piece at least?
• 8. In order to improve teaching efficiency, the school wants to buy some TV sets to be installed in the classroom. The purchase price of TV sets is 1000 yuan, and the selling price is 1400 yuan. Because the school buys more TV sets, the store is ready to sell them at a discount. If the profit margin is 12%, how much discount does the store give?
• 9. A clothing store bought 100 pieces of a brand of clothing, the purchase price was 350 yuan / piece, and the price was set at 500 yuan / piece. After half of the sales, in order to finish the sales as soon as possible, it was ready to sell at a discount If the profit is not less than 12000 yuan, then the rest of the clothing can be sold at a maximum discount according to the price? (one yuan per time inequality) 2. If someone wants to go to area a 3.3km away, his walking speed is 90m / min, and his running speed is 210m / min. if he has to reach area a in another 30 minutes, how many minutes can he run? One yuan per time inequality) online, etc!
• 10. A shopping mall sells smart phones of brand a and brand B. the purchase price and selling price of these two kinds of mobile phones are shown in the table below: ·························A ·········· B Purchase price (RMB / unit) 4000 ·········· 2500 Price (yuan / unit) 4300 The mall plans to buy 50 mobile phones of two kinds, which will cost a total of 155000 yuan. How much gross profit can be obtained after all sales? (gross profit = (selling price purchase price) × sales volume)
• 11. 1. The original price of a computer is 5000 yuan, but now the price is reduced by 800 yuan. How much is the price reduced? Now the price of each computer is the original price 2. There are 240 white rabbits and black earth rabbits in the farm, of which the black rabbit is one fifth of the white rabbit. There are more black earth rabbits and white rabbits each. 3. Xiao Ming read a book, and the first day he read 35 pages. The second day he read the atmosphere plants of the first day. In the two days he read a quarter of the book. How many pages is the book?
• 12. The following is a supermarket promotion price comparison table: induction cooker, the original price of 400, the current price of 320, TV, the original price of 2000, the current price of 168 The following is a comparison table of the promotion prices of a supermarket Induction cooker, original price 400, current price 320 TV set, original price 2000, current price 1680 (1) How much has the price of induction cooker been reduced (2) How much has the price of TV set been reduced
• 13. A supermarket has lowered the price of induction cooker twice. The first one is 20% lower than the original price. After the price reduction, each induction cooker sells for 380 yuan. The second one is 10% lower than the price after the first price reduction. Now how much is the price of each induction cooker cheaper than the original price?
• 14. After two price adjustments, a kind of clothes in the clothing supermarket returns to the price before the price adjustment. The first price reduction is 20%, and the second price increase is 20%______ %．
• 15. A supermarket has lowered the price of induction cooker twice. The first one is 20% lower than the original price. After the price reduction, each induction cooker sells for 380 yuan. The second one is 10% lower than the price after the first price reduction. Now how much is the price of each induction cooker cheaper than the original price?
• 16. 1. Supermarkets have lowered the price of induction cooker twice, and the first one is 20% lower than the original price, After the price reduction, the price of each induction cooker is 380 yuan. The price of the second one is 10% lower than that of the first one. Now how much is the price of each induction cooker? 2. Teachers and students process 400 parts together. It takes 6 minutes for a master to process a part, and 10 minutes for an apprentice to process a part. When the task is completed, how many parts has the apprentice processed?
• 17. The price of an induction cooker in sunshine supermarket is 320 yuan, 80 yuan cheaper than the original price. How much lower is the price of induction cooker?
• 18. The price of an induction cooker in sunshine supermarket is 320 yuan, 80 yuan cheaper than the original price. How much lower is the price of induction cooker?
• 19. Yangguan supermarket an induction cooker in the "11" period, only 320 yuan, 80 yuan cheaper than the original price, the price of this induction cooker reduced by several percent 2. Jiangdong foundry completed a batch of parts. 38 have been completed, 12 have not been completed, and what percentage of the parts have not been completed? 3. A rectangular block of wood, 5cm long and 4cm wide, if you saw it into the largest cube, how many percent less than the original volume?
• 20. The price of an induction cooker in sunshine supermarket is 320 yuan, 80 yuan cheaper than the original price. How much lower is the price of induction cooker?