Question

4.В одном шкафу было в 3 раза меньше книг. челi в другом. Когда в первый Шкаф положили 15 КНИГ, а з второго взяли 25, то в обоих шкафах книг стало поровну. Сколько KHнг было в каждом шкафу?​

Answer 1

Ответ:

Пошаговое объяснение:

3х-25=х+15

3х-х=15+25

2х=40

х=40÷2

х=20 книг было в 1 шкафу

20×3=60книг было во 2 шкафу

20+15=60-25

Answer 2

Ответ:

Пошаговое объяснение:

Answer 3

Problem Analysis

Let's break down the problem step by step to find the solution.

1. We are given that there are three times fewer books in one cupboard compared to the other. 2. When 15 books are placed in the first cupboard and 25 books are taken from the second cupboard, the number of books becomes equal in both cupboards.

Solution

Let's assume the number of books in the first cupboard is x. According to the problem, the number of books in the second cupboard will be 3x.

When 15 books are placed in the first cupboard, the total number of books becomes x + 15. When 25 books are taken from the second cupboard, the total number of books becomes 3x - 25.

According to the problem, the number of books becomes equal in both cupboards. So, we can set up the equation:

x + 15 = 3x - 25

Now, let's solve this equation to find the value of x.

x + 15 = 3x - 25

2x = 40

x = 20

Therefore, there were 20 books in the first cupboard and 60 books in the second cupboard.

Answer

There were 20 books in the first cupboard and 60 books in the second cupboard.