![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
Mr. Li wants to buy desks and chairs. If he buys 40 desks and 60 chairs, how many sets can he buy? Multiple solutions
1. 1 ÷ (1 / 40 + 1 / 60) = 24 sets
A: you can buy 24 sets
A primary school bought two tables and five chairs for a total payment of 195 yuan. It is known that the price of each table is four times that of each chair. How much is each table
Set table x, then chair 1 / 4x
2x+5*1/4x=195
x=60
Xinhua primary school bought two tables and five chairs for a total payment of 195 yuan. It is known that the price of each table is four times that of each chair. How much is each table?
60 yuan per table
Xinhua primary school bought two tables and five chairs for a total payment of 95 yuan. It is known that the price of each table is four times that of each chair. How much is each table?
Suppose each chair costs X Yuan, then each table costs 4x yuan
2·4x＋5x=95
The solution is x ≈ 7.3
The table price is 4x = 4 × 7.3 = 29.2 yuan
RELATED INFORMATIONS
- 1. Guangming primary school pays 220 yuan for two tables and five chairs. The price of each table is three times that of each chair. How much is each table and chair
- 2. It is known that the school library bought 6 chairs and 10 tables, a total of 1224 yuan. The unit price of the table is 60 yuan higher than that of the chair. How many yuan are the unit prices of the table and chair?
- 3. The school paid 240 yuan for six desks and six chairs for the first time, and 185 yuan for five desks and four chairs for the second time. The prices of one desk and chair are different How much, no equations
- 4. A desk is 10 yuan more expensive than a chair. The unit price of a chair is three fifths of that of a desk. What are the unit prices of a desk and a chair? Write the equivalent relation. Write the comprehensive formula. Solution is the meaning of formula
- 5. It costs 2700 yuan to buy 10 tables and 60 chairs. The price of three chairs is exactly the same as that of one table. How much is the unit price of tables and chairs?
- 6. It costs 2700 yuan to buy 10 tables and 60 chairs. The price of a chair is just one third of that of a table. How much does it cost to buy a chair and a table?
- 7. There are 28 workers in the woodworking factory. Two workers can process three tables a day, and three workers can process 10 chairs a day. Now how to arrange the labor force so that one table can be matched with four chairs?
- 8. The sum of the four numbers in the arithmetic sequence is 26, and the product of the first number and the fourth number is 22
- 9. Four numbers are known to form an arithmetic sequence, the sum of which is 26, and the product of the two terms in the middle is 40
- 10. An arithmetic sequence is 2,4,6,8,10 Then the tolerance is?
- 11. Mr. Li brought more than 450 yuan and less than 500 yuan. He just bought 24 tables or 40 chairs. How much did he bring For the fourth grade math problem, 1. It can't be brought in by equation; 2. It can't be brought in by common multiple; 3. The key is to ask for a formula (there are many answers on the Internet, but they don't meet the requirements). You know that the answer is 480 yuan, but you just can't make a formula（
- 12. The price of a table can buy 4 chairs. The price of 6 chairs is 200 yuan cheaper than that of 2 tables. How much is a table? Lie equation
- 13. Experimental primary school bought 18 tables and 6 chairs for 1560 yuan. The price of 10 tables is 680 yuan more than that of 6 chairs. How much is each table
- 14. Place the table and chair according to the following figure, 6 people can sit at one table, 10 people can sit at two tables Thirty tables can seat () people
- 15. It costs 168 yuan to buy 4 tables and 6 chairs. It is known that the price of a table is twice that of a chair. How much does a table cost?
- 16. (2 / 11 + 3 / 22 + 4 / 33) × 66 simple calculation
- 17. Mathematics 6 + 10 + 14 + 18 + 22 +... + 526 =? How to calculate
- 18. What is the first number in line 16? 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 What is the first number in line 16? two 4、6、8 10、12、14、16、18 20、22、24、26、28、30、32 ......
- 19. 0,2,6,14,30,62…… Item n
- 20. 7.6 km / h = - M / min 4 km / h = - M / min The front 7. Is the question number