During the "Eleventh five-star" period, five-star shopping malls carried out promotional activities. The original price of a color TV set was 2800 yuan, but the current price was 700 yuan lower than the original price. How much lower?

It's down 25 percent

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1. Xiaowen bought a 567 yuan item in a shopping mall during the promotion period. How much do they actually need to pay? (shop poster: if you shop more than 200 yuan, you can reduce the price by 12%). And explain the solution I know how to do it, but it's wishful thinking. Help me explain the solution
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11. The price of each set is 2100 yuan. The ratio of the first day's sales volume to the second day's sales volume is 5:3, which is the actual first day's sales volume Then the above: 54 units were sold in one day, more than 20% of the original plan. A total profit of 21600 yuan was made in two days?
12. During the "New Year's Day" period, Gome's shopping mall carried out promotional activities. The original price of a color TV set was 2800 yuan, but the current price was 700 yuan lower than the original price. How much is the current price? What percentage of the original price is the current price?
13. The original price of a TV set is 2000 yuan, but after the May Day promotion, it is 1500 yuan. How much is the reduction of this TV set? How much is the discount here
14. The original price of a TV set is 2000 yuan, but after the May Day promotion, it is 1500 yuan. How much is the price of this TV set reduced? How much is the discount here?
15. A certain brand of color TV is engaged in promotion activities. A color TV with the original price of 2000 yuan is now sold at the price of 600 yuan Has the sale price of this color TV set dropped by more than ten percent? In 2005, there were about 1.17 million postgraduates in China, and in 2006, there were about 1.2 million postgraduates, which is an increase of several percent compared with 2005? Keep one decimal place
16. During the May Day holiday, home appliance stores hold TV sales promotion activities. One of the color TV sets can make a profit of 200 yuan if it is sold at a 10% discount on the price. If it is sold at a 15% discount on the price, it will lose 75 yuan?
17. In a shopping mall, all electrical appliances are sold at a 95% discount. Xiaohui bought a TV set with 2470 yuan. How much is the original price of this TV set?
18. During the May Day holiday, home appliance stores hold TV sales promotion activities. One of the color TV sets can make a profit of 200 yuan if it is sold at a 10% discount on the price. If it is sold at a 15% discount on the price, it will lose 75 yuan?
19. For a commodity, the first price reduction is 20%, and then the price increase is 20%. What is the current price before the price reduction
20. The price of a batch of goods is reduced by 20% for the first time and 20% for the second time, which is lower than the original price______ %．