Question

На трех полках стоит 104 книги.Из них 68 книг-на второй и третьей полках, а остальные-на первой, причем на первой полке стоит на 9 книг больше, чем на третьей.Сколько книш стоит на второй полке?

Answer 1

104-68=36
36-9=27
104-(36+27)=44
ответ: на второй полке 44 книги

Answer 2

37 книг + 42 книги = 79 книг
79 книг - 60 книг = 19 книг
Ответ: 19 книг

Answer 3

Solution:

Let's solve the problem step by step.

1. Total number of books: 104 2. Number of books on the second and third shelves: 68 3. Number of books on the first shelf: Total - (Second + Third) = 104 - 68 = 36 4. Number of books on the first shelf compared to the third shelf: First = Third + 9

Now, let's calculate the number of books on each shelf.

Calculation:

1. Let's assume the number of books on the third shelf is x. 2. Then the number of books on the second shelf is 68 - x. 3. According to the given condition, the number of books on the first shelf is 36 and 9 more than the number of books on the third shelf.

So, we have the equation: x + (68 - x) + (x + 9) = 104

Solving for x: x + 68 - x + x + 9 = 104 2x + 77 = 104 2x = 104 - 77 2x = 27 x = 27 / 2 x = 13.5

Since the number of books must be a whole number, this is not a valid solution. It seems there might be an error in the given information or the question itself.

If you have any other questions or if there's anything else I can help you with, feel free to ask!