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There is a kind of drink bottle with a cylindrical body (excluding the bottle neck) and a volume of 300 cubic centimeters. Now there are some drinks in the bottle, which are placed at the height of the drink There is a kind of beverage bottle with a cylindrical body (excluding the bottle neck) and a volume of 480 ml. now there are some drinks in the bottle. The height of the drink is 20 cm when it is placed upright, and the height of the rest is 4 cm when it is placed upside down. How many cubic centimeters of drinks are there in the bottle?
20: 5 = 4:1 their bottom areas are the same, and the ratio of height is calculated;
4 ÷ (4 + 1) = 4 / 5, which is a fraction of the total height of the bottle when it is placed in the upright position;
300 × 4 / 5 = 240 (cubic centimeter), that is, the fraction of one number in another number is multiplied
Reference: Henan baizhiyuan green beverage Co., Ltd
There is a kind of beverage bottle with a cylindrical body (excluding the bottle neck) and a volume of 30 decimeters. 3. Now there are some drinks in the bottle. The height of the drink is 20 cm when it is placed upright, and the height of the rest part is 5 cm when it is placed upside down. (see Figure) the existing drinks in the bottle are () cubic decimeters
A. 20B. 21C. 22D. 24
30 × 2020 + 5 = 30 × 45 = 24 (cm3) a: there are 24 cm3 drinks in the bottle
A drink bottle is a cylinder with a volume of 1000ml. When the bottle is placed upright, the height of the drink is 20cm. When the bottle is placed upside down, the height of the rest part is 5cm. How many ml of the drink is in the bottle
There is a drink bottle with a capacity of 2500 ml. now it contains some drinks. When it is placed upright, the height of the drink is 16 cm, and when it is placed upside down, the height of the rest is 4%
Rice, how many drinks are there in the bottle?
If it's a sharp brain turn, most of the bottles are full of drinks; if it's a primary school student's problem, suppose that the lower part of the bottle is uniform (the corresponding volume per unit length is the same), but the part close to the bottle mouth is not uniform, and the initial 16 cm height is only in the "uniform" part, then we can calculate that the beverage in the bottle is 2500 * 16 / (16 + 4) = 2000 ml
The rule of cold drink shop is: five empty soda bottles can be exchanged for one bottle of soda. A class of students drank 161 bottles of soda, some of which were exchanged with empty bottles left over. So, how many bottles of soda should they buy at least?
According to the stem analysis, you can get (1 + 14) bottles of soda when you buy a bottle of soda, 161 ÷ (1 + 14), = 161 × 45, = 128.8, ≈ 129 (bottles). A: they need to buy at least 129 bottles
RELATED INFORMATIONS
- 1. Five empty bottles can be exchanged for one bottle of soda. A class of students drank 161 bottles of soda, some of which were exchanged with the remaining empty bottles, so they should at least buy soda
- 2. The rule of cold drink shop is: five empty soda bottles can be exchanged for one bottle of soda. A class of students drank 161 bottles of soda, some of which were exchanged with empty bottles left over. So, how many bottles of soda should they buy at least?
- 3. The volume of a beverage bottle is 30 cubic centimeters, which contains some drinks. The height of the drink is 20 centimeters when it is placed upright, and when it is placed upside down A kind of beverage bottle has a volume of 30 cubic centimeters. It contains some drinks. When it is placed upright, the height of the drink is 20 centimeters. When it is placed upside down, the height of the spare part is 5 centimeters. How many cubic centimeters of drinks are there in the bottle? I know the answer is 24, I want to ask what is the train of thought My formula: 20÷（20＋5）×30＝24（cm³）
- 4. As shown in the figure, a kind of beverage bottle has a volume of 200ml and a cylindrical body. When the bottle is placed upright, the height of the beverage is 20cm, and when it is placed upside down, the height of the remaining part is 5cm, and the beverage in the bottle is 20cm______ ml．
- 5. There is a beverage bottle body as shown in the figure, the volume of 3 cubic decimeters, now The body of a drink bottle is shown in the figure, with a volume of three cubic decimeters. Now there are some drinks in it. The height of the drink is 20 cm in the upright position and 5 cm in the inverted position. How many cubic decimeters are there in the bottle?
- 6. Inverted beverage bottle There is a drink bottle with a volume of 30 cubic decimeters. Now it contains some drinks. The height of the drink is 20 cm when it is placed upright, and the height of the rest part when it is placed upside down is 5 cm. The existing drinks in the bottle are () cubic decimeters The answer is 24 cubic decimeters, how to calculate? To calculate formula! Formula! Formula!
- 7. Ask a math question about volume A rectangular iron box with a square bottom, if you unfold its side, you will get a cube with a side length of 40cm. How many liters is the volume of the iron box?
- 8. There is a kind of beverage bottle with a cylindrical body (excluding the bottle neck) and a volume of 30 decimeters. 3. Now there are some drinks in the bottle. The height of the drink is 20 cm when it is placed upright, and the height of the rest part is 5 cm when it is placed upside down. (see Figure) the existing drinks in the bottle are () cubic decimeters A. 20B. 21C. 22D. 24
- 9. The volume of a certain kind of drink is 3 liters, and its bottle body is cylindrical (excluding the bottleneck). Now there are some drinks in the bottle. The height of the drink is 20cm when it is placed upright and 20cm when it is placed upside down The height of the spare part is 5cm
- 10. There is a kind of beverage bottle with a cylindrical body (excluding the bottle neck) and a volume of 30 cubic centimeters. Now there are some drinks in the bottle, and the height of the drinks is 0 Then above: 20 cm, the height of the rest of the space is 5 cm, how many cubic centimeters of the existing beverage in the bottle?
- 11. Class A and class B of grade 9 in Guangming Middle school donated the same amount of money for "Hope Project", both of which were more than 300 yuan and less than 400 yuan. It is known that one person in class a donated 6 yuan, and the others donated 9 yuan; one person in class B donated 13 yuan, and the others donated 8 yuan. What is the total number of students in class A and class B?
- 12. A supermarket bought 240 bottles of coke. One third of the drinks were sold on the first day, and one fourth of the total drinks were sold on the second day. How many of them are still unsold?
- 13. In order to expand sales and increase profits, the supermarket is prepared to reduce the price appropriately. According to the calculation, if the price of each box is reduced by 1 yuan, 2 more boxes can be sold every day. (1) if you want to make a profit of 14000 yuan per day, how much should you reduce the price of each box? (2) How much is the price reduction per case? Is the supermarket making the biggest profit every day? What is the maximum profit?
- 14. There are 7 bottles of pop-up beverage, one of which is less in quality. If you weigh it with a balance at least several times, you can find the bottle with less in quality
- 15. There are 12 bottles of drinks, 11 of which are of the same quality, and another one is heavier. How many times can we guarantee to find out the heavier one?
- 16. If you drink 50% of a box of drinks, there are 18 bottles left. If you drink 6 bottles, how many bottles are left?
- 17. In midsummer, 10 students went to the cold drink shop and handed over the beverage statistics they needed to the waiter: Six wanted coke, five wanted sprite, Five people want juice, three people want Coke and Sprite, two people want sprite and juice, and one person wants all three. Q: how many people have drinks and drinks? (three situations.)
- 18. The quantity ratio of cola to sprite in cold drink shop is 3:4, sprite is 60 cases, so Cola is? Case
- 19. There are 27 RMB with face value of 2 yuan and 5 yuan, totaling 99 yuan. How many RMB with face value of 2 yuan and 5 yuan?
- 20. According to the regulations of the cold drink shop, four empty bottles can be exchanged for one bottle of soda after drinking. There are 29 students in class 2 (1). How many bottles of soda does the monitor need to buy to drink one bottle of soda for each student?