Question

Помогите 1. в Оксанки було 25 марок, а в Марійки 15 марок. Після того Оксанка подарувала кілька штук Марійці, марок у них стало порівну. Скільки марок Оксанка подарувала Марійці? 2. Тетяні 14 років, а Ользі — 6 ро- ків. Через скільки років Тетяна буде вдвічі старша за Ольгу?нужно решить табличкой через Х​

Answer 1

Ответ:

1. 5 марок

Пошаговое объяснение:

Праз 2 гадзины

Answer 2

1. To solve the first problem, we can set up an equation to represent the given information. Let's assume that Oksana gave x number of stamps to Mariyka.

Before the exchange, Oksana had 25 stamps and Mariyka had 15 stamps. After the exchange, they had an equal number of stamps.

So, we can write the equation: 25 - x = 15 + x

To solve for x, we can simplify the equation: 25 - 15 = 2x 10 = 2x x = 5

Therefore, Oksana gave 5 stamps to Mariyka.

2. To solve the second problem, we can set up an equation to represent the given information. Let's assume that Tetyana will be x years older than Olga after a certain number of years.

Currently, Tetyana is 14 years old and Olga is 6 years old. We want to find out how many years it will take for Tetyana to be twice as old as Olga.

So, we can write the equation: 14 + x = 2(6 + x)

To solve for x, we can simplify the equation: 14 + x = 12 + 2x 14 - 12 = 2x - x 2 = x

Therefore, it will take 2 years for Tetyana to be twice as old as Olga.

Let me know if there's anything else I can help you with!