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Xiao Ming and Xiao Li are fond of collecting stamps. Xiao Li said: if you take 2 / 5 of Xiao Ming's stamps and 4 / 7 of mine, the rest of our stamps will be equal Xiao Ming said: I collected 14 less stamps than Xiao Li. How many stamps did they collect
Suppose Xiao Ming has x stamps, then Xiao Li has x + 14 stamps
X (1-2 / 5) = (x + 14) * (1-4 / 7)
Calculate x = 35
So Xiao Ming has 35 stamps and Xiao Li has 49 stamps
Xiao Li and Miss Wang collected 876 stamps. It is known that the number of stamps collected by Miss Wang is more than 12 times that of Xiao Li by 5. How many stamps do miss Wang and Miss Wang collect?
Let X be the number of stamps collected by Xiao Li, and (12x + 5) be the number of stamps collected by Mr. Wang, x + 12x + 5 = 876, & nbsp; 13X + 5 = 876, 13X + 5-5 = 876-5, & nbsp; & nbsp; & nbsp; 13X = 871, 13X △ 13 = 871 △ 13, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; X = 67, 12 × 67 + 5, = 804 + 5, = 809 (sheets). Answer: Mr. Wang collects 809 stamps, and Xiao Li collects 67 stamps
Xiao Li and Miss Wang collected 876 stamps. It is known that the number of stamps collected by Miss Wang is 12 times that of Xiao Li, and there are five more. How many stamps do miss Wang and Miss Wang collect?
I understand the formula equation, but how to explain it without 12 + 1 in the equation solution?
Because the teacher's is 12 times of Xiao Li's, plus Xiao Li's is 12 + 1
RELATED INFORMATIONS
- 1. Xiao Li and Miss Wang collected 876 stamps. It is known that the number of stamps collected by Miss Wang is more than 12 times that of Xiao Li by 5. How many stamps do miss Wang and Miss Wang collect?
- 2. Xiao Li gave more than half of her stamps to her classmates, so there are still 28 stamps left. How many
- 3. Xiao Li and Xiao Qiang have 140 stamps in total. Xiao Li has two-thirds as many stamps as Xiao Qiang. How many stamps do Xiao Li and Xiao Qiang have
- 4. Xiaoli bought a total of 10 stamps with 60 cents and 80 cents. For 7 yuan and 20 cents, she bought a stamp with 60 cents______ I bought 80 cent stamps______ There are two
- 5. Xiao Li wants to use a square piece of paper with an area of 400 to cut a rectangle with an area of 250 along the side, so that the ratio of length to width is 5:2 Can Xiao Li successfully cut such a piece of paper?
- 6. Use two cuboids 8 cm long, 5 cm wide and 3 cm high to form a cuboid with the smallest surface area. How many square centimeters is the surface area of this cuboid? 2. Use two cuboids 7 cm long, 3 cm wide and 2 cm high to form a cuboid with the largest surface area. How many square centimeters is the surface area of this cuboid?
- 7. The shape of a paper bag after opening is rectangular, 55 cm long, 8 cm wide, 40 cm high, surface area, complete!
- 8. There is a rectangle with a height of 8 cm and a square bottom. If you shorten its height by 2 cm, its surface area will be reduced by 40 square cm. Find the volume of the cuboid
- 9. If a × 0.8 = B △ 1.8 = C × 1 (a, B, C are all greater than 0), then the order of a, B, C is______ ＞______ ＞______ ．
- 10. In triangle ABC, angle a-angle C = 35 ° and angle B-angle a = 5 °, then angle B =?
- 11. Xiao Ming, Xiao Li and Xiao Xiao Li all like to collect stamps. Each of them has 45 stamps on average. The ratio of stamps of Xiao Lu, Xiao Ming and Xiao Li is 5:7:3. How many stamps do they each have?
- 12. Xiao Li collected some stamps. She took out half of them and gave them to Xiao Jun. she had 45 left. How many stamps did Xiao Li have?
- 13. Xiaoli and Xiaowen produce Fuwa in a toy factory. Xiaoli produces M sets a day, and Xiaowen produces 2 sets more than Xiaoli. In September, Xiaoli insisted on working overtime for 30 days, while Xiaowen worked for 25 days Q: 1. How many sets of Fuwa did they produce in September? How many more sets did Xiaowen produce than Xiaoli in September?
- 14. Xiao Ming and Xiao Li, who read the most pages? Xiao Ming has read three fifths of the book, and Xiao Li has read four ninths of the book
- 15. Xiao Ming and Xiao Li have a total of 68 extra-curricular books. If Li lends Ming five, then Li has eight more than Ming. How many do they each have
- 16. The number of Xiaofang's original books is 4 / 5 of Xiaoming's. after the two donated 10 books, the number of Xiaofang's original books is 7 / 10 of Xiaoming's It's urgent
- 17. There is a batch of books that Xiaoliang can bind in 9 days and Xiaodong can bind in 20 days. How many days can Xiaoliang and Xiaodong cooperate to finish this batch of books?
- 18. There are a number of books, Xiao Ming can bind 34 in 9 days, Xiao Li can bind 56 in 20 days______ It can be loaded in one day
- 19. Xiaofang looks at Xiaoli in the direction of 50 degrees north by East, and the distance is 20 meters. Xiaoli looks at Xiaofang in what direction, and what is the distance
- 20. Xiao Ming climbs the stairs twice as fast as Xiao Li. Xiao Li has climbed to the fourth floor, and Xiao Ming has climbed to several floors