At present, there are 16 empty bottles. One bottle of mineral water can be exchanged for every 4 empty bottles. How many bottles can I drink at most if I don't pay?
16 empty bottles can change 4 bottles of water, 4 bottles can change another bottle after drinking, so it's 5 bottles!
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- 1. In order to promote sales, the boss of the clothing store came up with a "smart move": increase the clothing price by 20% before the Spring Festival, and then reduce the price by 20% near the Spring Festival. A discount sale really attracted many customers. At the end of the day, the boss found that the payment for goods was much less than before. The boss wondered: the price increase and price decrease are both 20%, which should be the same as the original price! How can it be sold less than the original price?
- 2. Dandan took 10 yuan to buy milk. 1000 grams 9 yuan 5 jiao, 125 grams 1 yuan 3 jiao, 100 grams 1 yuan 1 jiao
- 3. Mom bought 4 plates and 5 bowls, which cost 12.2 yuan. Grandma also bought the same 4 plates and 8 bowls, which cost 15.2 yuan?
- 4. Mother bought 4 plates and 5 bowls, Qinshi RMB 12, 2 yuan, grandma also bought the same 4 plates and 8 bowls, a total of 15, 2 yuan, a plate and a bowl name how many yuan
- 5. During the May Day period, a clothing store promoted sales, and all the goods were sold at a discount. A sportswear with a price of 180 yuan saved 36 yuan compared with the price after the discount How much discount?
- 6. The bottle body of the orange juice drink bottle is cylindrical (excluding the bottle neck), and the volume of the bottle is 60cm-179; now there is some orange juice in the bottle, The height of the orange juice in the bottle is 30cm when it is placed upright and 6cm when it is placed upside down. Please calculate the volume of the orange juice in the bottle
- 7. A large bottle of orange juice is 2 liters, and a small bottle of orange juice is 1 / 10 liter. How many small bottles can a large bottle of orange juice be filled?
- 8. The content of vitamin C in orange juice was determined. 20 g orange juice was reacted with iodine solution containing 1% iodine, and 25.4 g iodine was consumed to calculate the mass fraction of vitamin C You're wrong. It's 0.176g
- 9. A supermarket buyer used 960 yuan to buy a batch of coke and fresh orange juice How much are fresh orange juice and coke Please indicate the fraction in words
- 10. Coke 3.50 yuan per cup, orange juice 4.80 yuan per cup, two drinks bought 13 cups, cost 52 yuan. Coke bought () cups, orange juice bought
- 11. An empty bottle with three glasses of water weighs 500g, and an empty bottle with five glasses of water weighs 800g
- 12. The weight of an empty bottle is 150g, the weight of water and bottle is 400g when it is filled with water, and the weight of water and bottle is 350g when it is filled with another liquid When an empty bottle weighs 150g, the weight of water and bottle is 400g, and when it is filled with another liquid, the weight of water and bottle is 350g, what is the bottle volume and liquid density?
- 13. Pet1 under mineral water bottle There's a pet under the bottle of mineral water. There's a 1 in it Some bottles have 5 in them
- 14. Uncle Zhang bought five small bottles of soda and a large bottle of orange juice in the supermarket, which cost 19.2 yuan in total?
- 15. Buoyancy of bottle Three bottles with the same density, material, shape and volume have vacuum, standard atmospheric pressure and high pressure (the same gas) inside. When they are thrown into the water, which one is more buoyant? The bottle does not deform
- 16. Give you 30 yuan, let you buy 1 yuan a bottle of mineral water (every 2 empty bottles can change 1 bottle of mineral water) ask you how many bottles of mineral water you can drink at most
- 17. There were 300 students in Huimin primary school. The number of girls increased by 5% and that of boys by 4% this semester. The total number of students increased by 13. How many girls were there?
- 18. The number of boys in class 6 (1) is 25% more than that of girls, just five more. How many students are there in this class?
- 19. There are 24 boys and 30 girls in class 6 (1)______ %There are more female students than male students______ %There are fewer boys than girls______ %
- 20. There are 270 students in the sixth grade of sunshine primary school, among which the number of girls is one third of that of boys. How many boys are there