A commodity is priced at 50% profit and then sold at a 10% discount. As a result, each commodity makes a profit of 20 yuan. What is the cost price of this commodity? West West

If the cost is x, then 50% x-0.9 * 50% = 200.05x = 20 x = 400, the cost of each commodity is 400 yuan

RELATED INFORMATIONS

1. If the price of a commodity is increased by 20% according to the cost price, if the commodity is sold at 10% discount and the selling price is 270 yuan, how much is the cost of this commodity? (calculated by equation) How many hectares is a rectangular field 280m long and 250m wide? If 960kg cotton is produced per hectare, how many kg cotton can be produced? (calculated by equation)
2. A commodity is marked at a price of 20% higher than its cost price, and then sold at a 10% discount. The profit of each commodity sold is 20 yuan. What is the cost price of this commodity?
3. The price of a commodity is increased by 20% according to the cost price, and then it is sold at a 10% discount. The price is 270 yuan. What is the cost price of this commodity______ Yuan
4. A commodity is priced at a 25% profit, and then sold at a 10% discount. As a result, each commodity makes a profit of 20 yuan. How much is the cost of this commodity?
5. A commodity is priced at a 25% profit, and then sold at a 10% discount. As a result, each commodity makes a profit of 20 yuan. How much is the cost of this commodity?
6. A product is priced at 20% profit, and then sold at a 20% discount. As a result, each product loses 36 yuan, and the cost price is calculated Come on!
7. A commodity is priced at 15% of the profit, and then it is sold at a 10% discount. As a result, each commodity still earns 70 yuan. How far is the cost price of this commodity?
8. A commodity is increased by 20% according to the cost price, and then sold at a 10% discount. The selling price is 270 yuan. How much is the cost price of this commodity? It must be solved by a linear equation of one variable,
9. A commodity is priced at 20% profit, and then sold at 20% discount, resulting in a loss of 64 yuan. How much is the cost of this commodity?
10. A commodity is priced at 20% profit and then sold at 20% discount. As a result, it loses 40 yuan. How much is the cost of this commodity?
11. Give examples to illustrate the meaning of the following algebraic formula: 1) 3a-b: (2) π a ^ 2: (3) x ^ 2-y ^ 2: (3) x + y + Z / 3:
12. 3A = half B, a: B = (): ()
13. What does 3A + B mean Let's talk about it with our own reality
14. The beam is marked KL-6 (3a). Does 3A represent 3 spans or 4 spans?
15. For rational numbers a and B, define the operation a △ B = 3A + B / a-3b, calculate: (- 2) △ [7 △ (- 6)] Don't use functions
16. What is the * sign in a * b = a × A-2 (3a-b)?
17. If a * b = 3a-b and X * (2 * 3) = 1, then what is x Please give the procedure, preferably in algebra
18. Z is the second power of 3A. What do * and 2n mean
19. It should be 3A = 4b, so a: B = 3:4______ (judge right or wrong)
20. A math problem needs detailed explanation After receiving the money, the waiter remembered that the hotel was doing activities now, the original price was 10 yuan per person, and now the activity price was only 25 yuan for three people. But considering that the remaining 5 yuan was not easy for three people to share, he left 2 yuan for them, and then gave them 1 yuan each, The total price is 9 * 3 + 2 = 29 yuan, but the three of them pay 30 yuan. Where is the remaining 1 yuan?