What percentage is 1.80kg more than 60kg? 2.25m less than 30m? 3. Whose 60% is the sum of two thirds and four fifths? Demand formula The second question is 25 meters

What percentage is 1.80kg more than 60kg? 2.25m less than 30m? 3. Whose 60% is the sum of two thirds and four fifths? Demand formula The second question is 25 meters


The first question: (80-60) / 60 = 33.333.% the second question: (30-25) / 30 = 1.6666.% the third question: (2 / 3 + 4 / 5) / 60% = 22 / 9, just give me some points!



Fill in the blanks: () 60% more than 50, () 37.5% less than 80


(80) 60% more than 50, (50) 37.5% less than 80



A sweater is now priced at 51 yuan, 15% lower than the original price. How much is the original price?


51 (1-15%) = 60 yuan



The purchase price of a certain commodity is 150 yuan and the price is 200 yuan, but the sales volume is small. In order to promote sales, the mall decides to sell at a discount. In order to ensure that the cost profit margin is not less than 20%
List inequalities
How much discount at most?


Set the price to X
X≥150×(1+20%)
X≥180
That is, the lowest price is 180 yuan, and the lowest discount is 180 △ 200 × 10 = 90%



The purchase price of a certain commodity is 150 yuan and the price is 200 yuan, but the sales volume is small. In order to promote sales, the shopping mall decides to sell at a discount. If the profit margin is not less than 20%, how much discount at most? If you set up a shopping mall to discount the product by X, you can list the inequality as___ .


If the selling price is 200 × X10, then the profit is 200 × x10-150, so the corresponding formula is: X10 × 200-150150 ≥ 20%



The purchase price of a certain commodity is 150 yuan and the price is 200 yuan, but the sales volume is small. In order to promote sales, the shopping mall decides to sell at a discount. If the profit margin is not less than 20%, how much discount at most? If a shopping mall gives x discount to the commodity, it can be listed as inequality


Hello! 200 * x / 10 ≥ 150 * (1 + 20%) 20x ≥ 180X ≥ 9, please accept



The purchase price of a certain commodity is 1000 yuan, and the price is 1500 yuan. If the mall requires a discount of no less than 5% of the profit, how much discount can it get
What's the minimum discount


The minimum discount is 70%. The calculation is as follows:
1000 * 0.05 = 501050 / 1500 = 0.7 (70% off)



The purchase price of a commodity is 120 yuan, and the price is 180 yuan, but the sales volume is small. In order to promote sales, the mall decides to sell at a discount. In order to ensure that the profit margin is not less than 20%, how much discount can it sell at most?


Suppose you can sell this product with a discount of X. from the question meaning: 180 × (X10) - 120 ≥ 120 × 20%, you can get x ≥ 8. Answer: you can sell this product with a discount of 8 at most



5. The purchase price of a piece of clothing is 200 yuan. If it is sold at a 20% discount on the price, it can still make a profit of 10%. The price of the clothing is____ Great Xia yuan listed the following equation and explained it
6. If the price of a commodity is increased by 20% on the basis of the purchase price, and then it is sold at a 10% discount, making a profit of 20 yuan, the purchase price is____ Great Xia yuan listed the following equation and explained it
My mind is not flexible, please talk about the formula or solution simply and clearly!


5. Suppose the price of the dress is x yuan
80%x=200(10%+1)
x=275
A garment with a purchase price of 200 yuan can still make a profit of 10% if it is sold at a 20% discount on the price. The price of the garment is 275 yuan
6. Suppose the purchase price is x yuan
(1+20%)x*90%=x+20
x=250
If the price of a commodity is increased by 20% on the basis of the purchase price, and it is sold at a 10% discount, and the profit is 20 yuan, the purchase price is 250 yuan



1. A philatelic exhibition was held in class 1 of grade 1 of junior high school. The number of stamps on display was 24 more than three per person and 26 less than four per person. The total number of stamps on display in this class was []
A.164 B.178 C.168 D.174
2. Someone bought a suit of clothes at a 20% discount, saving 25 yuan, so the actual cost of buying this suit is []
A.31.25 B.60 C.125 D.100
3. If someone buys a suit of clothes at a 20% discount and saves 15 yuan, how much does it cost to buy the suit
A.35 B.60 C.75 D.150
4. The purchase price of a commodity is 40 yuan and the selling price is 70 yuan. The profit margin of this commodity is []
5.1 if the goods are sold at a 10% discount on the marked price, the profit will still be 10%. If the purchase price of the goods is 7740, the marked price is [
6. The purchase price of a certain commodity is 800 yuan, and the selling price is 1200 yuan. Later, due to the overstock of the commodity, the commodity is ready to be sold at a discount. If you want to keep the profit margin not less than 5%, you can give a discount of at most
7. A certain commodity is ready to be sold at a discount due to season change. If it is sold at a 25% discount, it will lose 25 yuan. If it is sold at a 10% discount, it will earn 20 yuan. How much is the original price of this commodity
8. A jacket is sold at 50% of the cost. Later, due to the season change, it is sold at 20% of the price. After the price reduction, each jacket is sold for 60 yuan. How much is the cost of each jacket? After the price reduction, what is the compensation or profit? How much is the compensation or profit


D2. D3. B4. (70-40) / 40 = 75% 5.7740 * (1 + 10%) / 90% = 10560 (yuan) 6.800 * (1 + 5%) / 1200 = 70% = 70% = 70% 7% off