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The original price of a kind of TV set is 2400 yuan. The price of the TV set is reduced by a quarter when the shopping malls are engaged in sales activities. After the activities, the price is increased by a quarter. How much is the price of the TV set
Current price = 2400 × (1-1 / 4) × (1 + 1 / 4) = 2250 yuan
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How many decimeters is 1.2 cm?
It's better to learn it in primary school. It doesn't need to be too complicated. It doesn't need to learn anything about dance
1 meter (m) = 10 decimeter (DM)
1 decimeter (DM) = 10 cm (CM)
1.2 cm (CM) = 0.12 decimeter (DM) = 0.012 m (m)
1.2 cm equals 0.12 decimeter equals 0.012 meter
2x-15 = 7 solution equation
2x=7+15
2x=22
x=22/2
x=11
The price of a kind of TV set is 2500 yuan. The shopping malls carry out sales promotion activities. The first price reduction is 5%, and the second price reduction is 4%. How much is the price of this kind of TV set now
Do it yourself 2500 - (2500-2500 * 5%) * 4%=
One mu of land is equal to several meters long and several meters wide
One mu is equal to 666.67 square meters. If one mu is square, its side length is about 25.82 meters
Solution equation: 7 / 15-19 / 20x = 3 / 20 4.2x divided by 2 = 0.63
Two questions? The questions are not clear
If so, two questions: 7 / 15-19 / 20x = 3 / 20 and 4.2x/2 = 0.63
The answers are as follows:
7/15-19/20X=3/20
7/3-19/4X=3/4
28X-57=9X
19X=57
X=3
4.2X/2=0.63
2.1X=0.63
x=0.3
The original price of a color TV set is 4000 yuan. Now the store is engaged in promotional activities and has cut the price by 1 / 10 twice in a row. How much is the current price of this color TV set
Now = 4000 × (1-1 / 10) ^ 2 = 3240 yuan
How many meters is a decimeter
0.1
Solve the equation 12x + 3.6 = 8.4 4 / 5 + x = 4 / 3 2x △ 7 / 5 = 15 / 14
12x+3.6=8.4
12x=8.4-3.6
12x=4.8
x=0.4
4/5+x =4/3
x=4/3-4/5
x=8/15
2x÷7/5=15/14
2x=15/14*7/5
2x=6
x=3
How many meters is a foot
One meter equals three feet, so one foot equals 0.333 meters
RELATED INFORMATIONS
- 1. A shopping mall to promote sales, the provisions: buy a TV or One day, the mall sold 100 TV sets and refrigerators, including 75 TV sets, 50 microwave ovens and 18 Electric irons. Q: how many microwave ovens and electric irons did the mall give away that day? Trouble you, thank you ~ to have formula, process, urgent~~^_^
- 2. During the promotion period of a shopping mall, it is stipulated that all goods in the shopping mall are sold according to 80% of the price. When customers spend a certain amount of money in the shopping mall, they can get the corresponding amount of lottery tickets according to the following scheme. (lottery shopping no longer enjoys preferential treatment) the price is x (yuan) 100 ≤ x < 200200 ≤ x < 400400 ≤ x < 600 The amount of lottery ticket (yuan) 50100150 If the price of the goods Mr. Hu bought in the shopping mall is 450 yuan, what is the discount______ Yuan
- 3. Please use two methods to solve the following questions 1. The original price of a computer is 5800 yuan. During the "11th" promotion period, the price will be reduced by 800 yuan. What's the percentage of the price reduction? 2. The original price of a computer was 5800 yuan, which was reduced by 15% during the "11th Five Year Plan" period. How much was the reduction? 3. The current price of a computer is 5000 yuan. The original price is 16% higher than the current price. How much is the original price higher than the current price?
- 4. The original price of a piece of clothing is 200 yuan. How much is it to reduce the price by 10% first and then increase it by 200 yuan? Formula
- 5. If the price of a commodity after two consecutive price increases of 10% is a yuan, then the original price is () A.1.21a B.1.21/1a c.0.92a D.0.92/a
- 6. Under the influence of the international financial crisis, the original price of a certain brand of electrical appliances is a yuan after two consecutive price cuts of 20%?
- 7. The original price of a commodity is 200 yuan, but now it is sold at 1 / 4 of the price. How much is the current price
- 8. For a commodity, the original price is 50 yuan, first the price is increased by 1 / 10, and then the price is reduced by 1 / 10. How much is the final price?
- 9. The original price of a commodity is 324 yuan. After two successive price cuts, the price is 289 yuan. Suppose the average percentage of each price cut is x, then the equation of X is
- 10. After the price of a commodity is reduced by 10%, the unit price is 180 yuan. What is the price of the original commodity
- 11. Solution equation: 21x = 35-8
- 12. A. There are 84 people in class B and 58 people in class A and class B. how many people are there in class a
- 13. The team plans to build a road in four days. On the first day, it will finish 3 / 20 of the total, and on the second day, it will finish the remaining 4 / 5. On the third and fourth day, the ratio of meters is 3:2, On the fourth day, we repaired 146 meters, just finishing the task. How many meters is the length of this road?
- 14. Solve the equation... 9 / 5 x-x = 4.8
- 15. The inverse theorem of Pythagorean theorem is that if the sum of the squares of two right angles equals the square of the hypotenuse, then the triangle is a right triangle?
- 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. X-2 / 5 = 16 * 2
- 18. How to solve the equation of 16.2 + 4x = 8x?
- 19. X-0.52 = 1.3 (solution equation)
- 20. How to solve the equation x divided by 12-9 = 15?