Lejia supermarket has a sales promotion. 6 bottles of yoghurt are priced at 5 yuan. How much does it cost to buy 49 bottles of yoghurt at least? One for six

If you want 49 bottles of yoghurt, you can get one free if you buy six, so you only need to buy seven six bottles, and then you can get seven free
7*6+7=42
6 bottles of yoghurt cost 5 yuan, 7 6 bottles is 7 * 5 = 35 yuan

A supermarket is engaged in beverage promotion. The net content of a small bottle is 700ml, and the price is 3 yuan without a bottle. The net content of a large bottle is 3l, and the price is 12 yuan without a bottle. Which one is more cost-effective for Xiaohong?

For small bottles, 4 bottles can be sold for 12 yuan, each bottle is 700 ml, and 4 bottles is 2800 ml, which is 2.8 L. it's more cost-effective to buy a large bottle with 3 L

The net content of small bottle is 700 ml, 3 yuan per bottle. The net content of large bottle is 3 L, 12 yuan per bottle. Which one is more cost-effective?

In terms of portability, it must be small and cost-effective

A, B, C three shopping malls sell the same kind of beverage. The beverage is divided into two specifications: large bottle and small bottle. According to the unified price: 10 yuan for large bottle and 2.5 yuan for small bottle. In order to promote sales, they offer three kinds of preferential measures: a shopping mall, buy one big bottle and get one small bottle free; B shopping mall, 10% discount; C shopping mall, 20% discount for over 30 yuan Which shop costs the least for drinks? Fill in your suggestion in the form below

Customer a: only buy 10 small bottles, 10 × 2.5 = 25 (yuan), only buy 10 small bottles, can't go to a shopping mall to buy, because a shopping mall to buy big bottles to send small bottles, he only buy small bottles, can't go to C shopping mall to buy, because he bought less than 30 yuan, can't enjoy preferential policies, can only go to B shopping mall to buy; customer B: only buy 5

A student took money to a stationery store to buy a notebook. If he bought three, he would have 1 yuan left. If he bought four, he would have 2 yuan left. He asked how much each notebook cost

Isn't this a primary school problem? How did you get to the laptop
Set X Yuan for each notebook and Y yuan for each student
3x+1=y
4x-2=y
The solution is x = 3, y = 10
That is 3 yuan for each notebook

The teacher gave the students learning tools, each pencil 2 yuan 1 jiao, rubber 1 yuan 1 jiao, 46 students, how many yuan can the teacher bring each person to buy one

2.1 + 1.1 = 3.2 yuan / share
3.2 * 46 = 147.2 yuan
148 yuan

12. During the new year's day of Wal Mart supermarket, there was a "buy one box, get one box free" discount for chrysanthemum tea drinks. There were 52 people in class five (1),
It's just one box for each person to buy four boxes. How many boxes of drinks are there in each box?

There are 12 boxes of drinks in each box

What's a good gift for a boy in grade one?

I think we should buy some things in books or daily necessities (which are helpful for study and entertainment)

I hope 366 freshmen in primary school were born in 2002. May I ask: how many of the 366 Freshmen's birthdays are on the same day?

2 people, you see, 2002 is a normal year. There are 365 days in a year. What he asked was that at least if 365 of them have different birthdays, each day of the year, then there is the last student left. No matter which day he is, he will have the same day as the previous 365 students, so it's two people

Lejia supermarket has a sales promotion. 6 bottles of yoghurt are priced at 5 yuan. How much does it cost to buy 49 bottles of yoghurt at least? One for six