Question

Антон купил 8 тетрадей по x рублей и 3 одинаковые ручки.За всю покупку он заплатил у рублей.Сколько стоит каждая такая ручка?

Answer 1

Ответ:

Пошаговое объяснение:

8х руб. - стоимость тетрадей

(у - 8х) руб. - стоимость трех ручек

(у-8х)/3  (руб) - стоимость одной ручки

Answer 2

Problem Analysis

Anton bought 8 notebooks for x rubles each and 3 identical pens. The total cost of the purchase was u rubles. We need to find the cost of each pen.

Solution

Let's assume the cost of each pen is y rubles.

The total cost of the notebooks is 8x rubles.

The total cost of the pens is 3y rubles.

The total cost of the purchase is the sum of the cost of the notebooks and the cost of the pens:

8x + 3y = u rubles

We can solve this equation to find the value of y.

Solving the Equation

To solve the equation, we need to know the value of u and x. Unfortunately, the values of u and x are not provided in the question. Therefore, we cannot determine the exact cost of each pen without additional information.

If you provide the values of u