The table tennis auction of store B is 30 yuan a piece, and the Spring Festival discount buys 9 and

30 9 (9+3)= RMB.

24 yuan or 30 9 2 = 540 yuan Because buy 9 get 3, so buy 18 get 6 free, which is exactly 24.

Hope it will help you, hope in time.

Buying 24 is equivalent to buying two, 9 getting 3 free

Each**: 30 9 (9+3) = yuan.

1) 30*9 9+3 yuan.

2) 2 out of 24 9

The number of rackets is 6+9+9+3+3 30 pcs.

Each** 6*30+18*30 30 24 yuan.

Hope satisfied.

30*9 (3+9)=RMB.

Because buy 9 get 3 free, so a set of 12, 270 yuan.

24 12 * 2 = 540 yuan.

1) 30 9 270 yuan 270 ( 9 3 ) yuan 24 (9 3 ) 2 2 9 18 18 30 540 yuan.

A: One yuan, 24 540 yuan.

Buy nine one: one. Buy 24 or one, a total of 540 yuan.

Buy nine get three free.

Buy 24 get 6 free.

You want a ping-pong racket, I have it here. What to buy.

Summary. Analysis: You can set a pair of table tennis rackets The price is X yuan, then the price of 1 basketball is 4X yuan, and then according to 2 basketballs and 8 pairs of table tennis rackets, a total of 360 yuan was spent, and the equation can be solved

Answer: Solution: The price of a pair of table tennis rackets is X yuan, then the price of 1 basketball is 4X yuan, 2 4x+8x=360

16x=360

x = yuan) A: The unit price of basketball is 90 yuan, and the unit price of table tennis rackets is yuan

Comments: This problem belongs to the application problem containing two unknowns, this kind of problem is easier to solve with equations, the key is to find the equality relationship between the quantities, let one unknown number is x, and the other unknown number is represented by a formula containing x, and then the equation can be solved in a column

The store sold 3 pairs of table tennis rackets and 2 children's soccer balls in the morning, earning a total of 139 yuan. How much does a pair of table tennis balls cost? Per.

Dear, I'm here, you can send the complete question out, I will help you answer it as soon as possible.

Here you can find similar questions, the method is the same, you can take a look.

Mr. Zhang bought 2 basketballs and 8 pairs of table tennis rackets, and spent a total of 360 yuan, the price of 1 basketball is 4 times the price of a pair of table tennis rackets, how much is the unit price of a basketball and a table tennis racket?

Analysis: You can set a pair of table tennis rackets The price is X yuan, then the price of 1 basketball is 4X yuan, and then according to 2 basketballs and 8 pairs of table tennis rackets, a total of 360 yuan was spent, and the equation solution can be listed Answer: Solution:

Set the price of a pair of table tennis rackets is x yuan, then the price of 1 basketball is 4x yuan, 2 4x+8x=360 16x=360 x=yuan) Answer: The unit price of basketball is 90 yuan, and the unit price of table tennis rackets is yuan Comments: This problem belongs to the application problem containing two unknowns, this kind of problem is easier to solve with equations, the key is to find the equality relationship between the quantities, let an unknown number be x, and another unknown number is represented by a formula containing x, and then the equation can be solved in parallel

Calculated according to the inscription column:

A kind of square sedan car method to buy 20 boxes of balls and 40 pairs of balls to destroy the first shot only 10 boxes of balls and 20 pairs of rackets price, so there are:

25 10 + 100 20 = 250 + 2000 = 2250 yuan.

The price required for method B to buy: (25 20 + 100 40) Therefore, method A is cost-effective to buy one and get one free.

A pair of table tennis rackets is 12 yuan, buy 5 sets and get 1 pair free, and 200 yuan can buy up to 19 pairs. According to the topic, a pair of table tennis rackets is 12 yuan, buy 5 and get 1 pair of mu answers, it can be known that 12 times Xun sells 5 equals 60 yuan, and you can buy 6 pairs of table tennis rackets for 60 yuan, 200 divided by 60 equals 3 and 20, you can buy 3 60 yuan that is, 18 pairs of table tennis rackets, plus the remaining 20 yuan can buy a pair of table tennis rackets, that is, you can buy up to 19 pairs of table tennis rackets.

(1) The fee that should be paid when buying these things in store A: 30 * 5 + 5 * (x-5) = 5 x + 125 (yuan);

The fee that should be paid when buying these things in store B: 30*5*90%+5*x*90%=yuan);

2)5x+125=

x = 20 (box).

3) The fee paid in store A "The fee paid in store B, that is, when 5x+125<, x<20, it is suitable to buy in store A;

The cost paid in store A》The fee paid in store B, that is, when 5x+125 >, x>20 is suitable to buy at store B;

x=15 (box) <20, it is suitable to buy in store A;

x=30 (box) >20, buy it in store B;

Solution: (1) When you buy x boxes of table tennis, the two preferential methods are the same....1 According to the title: 30 5 (x-5) 5=(30 5 5x) 4 Solution x=20 Therefore, when buying 20 boxes of table tennis balls, the two preferential methods pay the same....6' (2) When buying 15 boxes:

A shop needs to pay 30 5 (15-5).

5 = 200 (yuan).

Shop B needs to pay (30 5 15 5) yuan).

Because 200 Therefore, when buying 15 boxes of table tennis balls, it is more cost-effective to go to the first store....8 When buying 30 boxes: Shop A needs to pay 30 5 (30-5) 5=275 (yuan);Shop B needs to pay (30 5 30 5) yuan).

Because 275 270 So, when buying 30 boxes of table tennis balls, it is more cost-effective to go to store B

(1) A: 5x+125 (yuan);B: Yuan).

2)5x+125=

x=203) Fees paid in store A "Fees paid in store B, that is, when 5x+125 <, x<20, it is appropriate to purchase in store A;

The cost paid in store A》The fee paid in store B, that is, when 5x+125 >, x>20 is suitable to buy at store B;

x=15 (box) <20, it is suitable to buy in store A;

x=30 (box) >20, buy it in store B;

Set up to purchase table tennis x box.

150+5（x-5）=150*90%+5x*90%30+x-5=27+

When x=20 buys 20, the cost is the same.

A 150 + 10 * 5 = 200 yuan.

B(150+75)*90%=RMB.

If you need to buy 15 boxes of table tennis balls, it is cost-effective to buy them at Koya Shop.

A 150 + 25 * 5 = 275 yuan.

(150 + 150) * 90% = 270 yuan.

When you need to buy 30 boxes of table tennis balls, it is cost-effective to buy them at the Clan Bun-dong Yijia Zaoqing Store.

A pair of table tennis rackets is 38 yuan, and two table tennis rackets are 70 yuan. How many pairs of table tennis rackets can I buy for 400 yuan, and how many yuan are left?

Hello, I'm glad to answer for you, filial piety is 38 yuan for a pair of table tennis rackets, and 70 yuan for two table tennis rackets. 400÷70=5…50 yuan. You can buy 5 two table tennis rackets for 10 pairs.

You can buy a pair of masks for 50 yuan, and a total of 11 pairs were bought. There are 50 38 = 12 yuan left.

Shopping mall** table tennis buy three get two free, Xiao Ming bought 30 table tennis balls with 45 yuan, how much is the original price of a table tennis ball?

The original price of a table tennis ball.