![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
A store will increase the cost price of a commodity by 40% and then price it. During the new year's day, it wants to sell it at a 20% discount to thank new customers for their patronage to the commercial building 24 yuan. What's the cost price of this product? Someone will deposit 2000 yuan into the bank one year at a fixed time, and deduct 20% interest tax after maturity to get 2160 yuan of principal and interest, so as to seek the annual interest rate of this deposit method!
1. A store will increase the cost price of a commodity by 40% and then price it. During the new year's day, if it wants to sell it at a 20% discount, it will make a profit of 24 yuan in return for the new customers' patronage to the commercial building. How much is the cost price of this commodity?
Suppose the cost price of the commodity is x yuan, then:
(1+40%)*80%-X=24
The solution is x = 200 yuan, that is, the cost price of goods is 200 yuan
.
2. Someone deposits 2000 yuan into the bank one year at a fixed time, and deducts 20% of the interest tax after maturity to get 2160 yuan of the principal and interest. Ask for the annual interest rate of this deposit method!
If the annual interest rate is y, then:
2000+2000*Y*（1-20%）=2160
Y = 10%
I hope it can help you
A store will increase the price of a certain clothing by 40% according to its cost. During the new year's day, if it wants to sell at a 20% discount, it will sell a yuan at this time. In this way, the cost price of the goods is yuan
Cost a △ 0.8 △ 1 + 40% = ax5 / 4x5 / 7 = 25 / 28a
The price of a commodity is 900 yuan per piece. In order to further expand the shopping mall, it will be sold at the yield of 40 yuan at a discount of 9% of the price. It will still make a profit of 10%?
Solving big problems with equations
If the purchase price is x, then the equation is
X*(1+10%)=900*0.9-40
1.1X=770
X = 700 yuan
RELATED INFORMATIONS
- 1. A. B two shopping malls usually sell the same goods at the same price. During the Spring Festival, all goods in a shopping mall are sold at a 20% discount. After spending more than 200 yuan in B shopping mall, you can shop at this shopping mall at a 70% discount. How to choose a shopping mall to shop more economically? I set up the equations as follows: y=(x-200)X7/10+200 ① y=8/10x ② The solution is x = 600, substituting ① = 280, substituting ② = 480? Right, isn't it all = 0?
- 2. A clothing business sold two sets of clothing at the same time, a total of 336 yuan, please see below! A clothing merchant sold two sets of clothing at the same time, with a total of 336 yuan. One set made a profit of 20%, and the other set lost 20%. In this transaction, the merchant lost 14 yuan, seeking the cost of the two sets of clothing
- 3. The price of a commodity is increased by 30% according to the cost price, and then it is sold at a 20% discount. The price is 208 yuan. What is the cost price of this commodity______ Yuan
- 4. How to price goods? How to use formula
- 5. A certain commodity is priced at 40% of the profit. Later, it is sold at a 20% discount. The price of each commodity is 84 yuan. What is the cost of this commodity?
- 6. Shopping malls hold sales promotion activities. A product is given a 10% discount first, and then a 20% discount. What percentage of the original price is the final price of the product?
- 7. What is the price difference between the purchase and sale of goods? For example, what are the contents of the purchase price and the sale price? Can you be more specific? I'm a novice
- 8. Please carefully observe the characteristics of polynomial: (x + 1) (x + 2) (x + 3) (x + 4) + A, and try to judge and prove whether it is a complete square It's not + A, it's + 1 (x+1)(x+2)(x+3)(x+4)+1.
- 9. Which sets are finite? Which sets are infinite? Which sets are empty? (1) {x | x + 1 = 0} (2) {x | X2 (the square of x) + 1 = 0} (3) {（x,y)|x=y} (4){x|-5≤x＜0}
- 10. Two baskets of fruit came from the fruit shop. Basket a was 30 kg more than basket B. basket B sold 18 kg, and the quality of the remaining fruit was just 25 kg of basket A. how many kg of the original fruit in basket B?
- 11. A shopping mall has a sales promotion. All products are 25% off. The price of a sweater is 60 yuan cheaper than before. How much is the original price of this sweater
- 12. 1. On New Year's day, in order to promote sales, a home appliance store implemented a 20% discount plan. Uncle Wang bought a washing machine. After 20% discount, it was 220 yuan cheaper than the original price How much did Uncle Wang spend on the washing machine? 2. A 200m circular track is composed of two straight tracks and two semicircle tracks, up to 50m in length and 1.25m in width. If a 200mi race is conducted on this track, how many meters is the difference between the starting line of the fourth track and the first track? 3. The total length of a cuboid is 220cm, the ratio of length to width is 2:1, and the ratio of width to height is 3:2 The third question is not necessary,
- 13. A piece of clothing is 200 yuan. First raise the price by 1 / 5, then lower the price by 1 / 5. How much is the current price?
- 14. The original price of a dress is 100 yuan. The first price cut is 20%, and the second price cut is 20%. How much is the present price of this dress?
- 15. After the first 20% price reduction and the second 20% price increase, the current price of a garment is 96 yuan. How much is the original price of this garment
- 16. Shopping malls offer discounts, including a 70% discount for clothing and a 20% discount for stationery. How much does Xiao Ming actually pay for a 200 yuan dress and a 120 yuan schoolbag?
- 17. If the price of a commodity is reduced by 20% during the Spring Festival, the current price should be increased () A. 15%B. 20%C. 25%D. 30%
- 18. If a commodity is sold at a fixed price, it will make a profit of 20 yuan. If it is sold at a 15% discount, it will lose 4 yuan?
- 19. One yuan quadratic equation application problem. Store a sells a certain commodity with a purchase price of 8 yuan at 10 yuan per piece, and 100 pieces can be sold in one day A store sells a certain commodity with a purchase price of 8 yuan at 10 yuan per piece, which can sell 100 pieces a day. The owner wants to increase the profit by reducing the price and increasing the sales volume. After market research, it is found that the sales volume of this commodity can increase by 10 pieces when the unit price of this commodity decreases by 0.1 yuan. How much yuan can the daily sales profit reach 225 yuan?
- 20. A store will sell goods with a purchase price of 8 yuan at 10 yuan per piece, which can sell 200 pieces per day. Now it is adopting the method of raising the price of goods to reduce the sales volume and increasing the profit Run, if the price of each product increases by 1 yuan, the sales volume will be reduced by 20 pieces. How much yuan should the price of each product be increased to make a profit of 640 yuan per day