Question

Помогите pozhalusta сделайте пояснение задачи и краткую запись a решение я напишу сам На трёх полках 165 книг. На первой полке в 3 раза больше книг, чем на второй, на третьей полке на 15 книг больше, чем на второй. Сколько книг на второй полке?​

Answer 1

Ответ:

Пошаговое объяснение:

1 полка = 3х книг

2 полка = х книг

3 полка = х + 15 книг

2 полка = ? книг

Answer 2

Task Explanation

The task requires finding the number of books on the second shelf given the total number of books on three shelves, where the first shelf has three times more books than the second shelf, and the third shelf has 15 more books than the second shelf.

Solution

Let's denote the number of books on the second shelf as x. According to the given information: - The first shelf has 3 times more books than the second shelf, so the number of books on the first shelf is 3x. - The third shelf has 15 more books than the second shelf, so the number of books on the third shelf is x + 15.

The total number of books on all three shelves is 165. Therefore, we can write the equation: x + 3x + (x + 15) = 165 Solving this equation will give us the value of x, which represents the number of books on the second shelf.

Let's solve the equation to find the value of x.