Question

Помогите!!!!! цена книги составляет 2/9 всех денег которые были у коли а цена альбома 2/3 всех его денег сможет ли коля купить альбом и две книги по той же цене

Answer 1

Для приводим к общему знаменателю:
2/3 умножаем на 3 ------ 6/9 следовательно 2/9* 2=4/9 Коля не сможет купить две книги  и альбом по одной цене

Answer 2

Problem Analysis

The problem states that the price of a book is 2/9 of all the money Kolya has, and the price of an album is 2/3 of all his money. The question is whether Kolya can buy the album and two books at the same price.

Solution

To determine if Kolya can buy the album and two books at the same price, we need to compare the total cost of the album and two books with the amount of money Kolya has.

Let's assume that Kolya has a total of x money.

The price of the album is 2/3 of all his money, which can be calculated as (2/3) * x.

The price of two books is 2/9 of all his money, which can be calculated as (2/9) * x.

To determine if Kolya can buy the album and two books at the same price, we need to check if the total cost of the album and two books is less than or equal to the amount of money Kolya has.

The total cost of the album and two books is (2/3) * x + 2 * (2/9) * x.

Now we can set up the inequality and solve for x:

(2/3) * x + 2 * (2/9) * x ≤ x

Simplifying the inequality:

(2/3) * x + (4/9) * x ≤ x

Combining like terms:

(10/9) * x ≤ x

Dividing both sides by x (since x cannot be zero):

10/9 ≤ 1

Since 10/9 is greater than 1, the inequality is not true. Therefore, Kolya does not have enough money to buy the album and two books at the same price.

Answer

No, Kolya cannot buy the album and two books at the same price.

Explanation

The problem states that the price of the book is 2/9 of all the money Kolya has, and the price of the album is 2/3 of all his money. To determine if Kolya can buy the album and two books at the same price, we set up an inequality and solve for x, the amount of money Kolya has. The inequality is (2/3) * x + 2 * (2/9) * x ≤ x. Simplifying the inequality, we get (10/9) * x ≤ x. Since 10/9 is greater than 1, the inequality is not true, meaning Kolya does not have enough money to buy the album and two books at the same price.