A supermarket transported 120 cases of juice, 25% more than the milk (1) How many cartons of milk have you brought in? (2) Use two ways to find out the number of boxes with more juice than milk Urgent! Good answer, more points!

A supermarket transported 120 cases of juice, 25% more than the milk (1) How many cartons of milk have you brought in? (2) Use two ways to find out the number of boxes with more juice than milk Urgent! Good answer, more points!

120-120*25%=90
Set milk as X-box
Then x + 120 * 25% = 120

Xiaomei can buy a bottle of mineral water for one yuan, exchange two empty bottles for a bottle of mineral water, and how many bottles of mineral water can Xiaomei drink at most for 20 yuan?

20 yuan, 20 bottles for the first time
10 bottles for the second time
5 bottles for the third time
For the fourth time, there were two more empty bottles
The fifth time, one more empty bottle
The sixth time, there was one empty bottle left
So a total of 39 bottles of water were changed, and there was an empty bottle left

"I have twenty yuan to buy a bottle of mineral water for two yuan, and two empty bottles can be exchanged for a bottle of mineral water. How many bottles of water can I drink at last?"

17

Xiao Ming uses one yuan to buy a bottle of mineral water. Two empty bottles can be exchanged for a bottle of water. How many bottles of water can he buy with 20 yuan?

30 bottles