Question

В коробке лежат синие,красные и зеленые карандаши. Всего их 22 штуки.Синих карандашей в 7 раз больше,чем зеленых, а красных меньше, чем синих. Сколько в коробке красных карандашей? Срочно!!! Решение и ответ!

Answer 1

Ответ:

Задачка на логику

в коробке лежало только зелёные и синие карандаши

0

Answer 2

Problem Analysis

We are given a box containing blue, red, and green pencils. The total number of pencils in the box is 22. The number of blue pencils is 7 times greater than the number of green pencils, and the number of red pencils is less than the number of blue pencils. We need to determine the number of red pencils in the box.

Solution

Let's assume the number of green pencils is x. According to the problem, the number of blue pencils is 7 times greater than the number of green pencils, so the number of blue pencils is 7x. The number of red pencils is less than the number of blue pencils, but we don't have a specific ratio or value.

To find the number of red pencils, we can use the equation:

x + 7x + red pencils = 22

Simplifying the equation, we get:

8x + red pencils = 22

Since we don't have a specific value for the ratio between red and blue pencils, we cannot determine the exact number of red pencils. However, we can find a range of possible values for the number of red pencils.

Let's solve the equation for the minimum and maximum values of x to find the range of possible values for the number of red pencils.

Calculation

To find the minimum value of x, we assume that there are no red pencils in the box. In this case, the equation becomes:

8x = 22

Solving for x, we get:

x = 22 / 8 = 2.75

Since we cannot have a fraction of a pencil, we round down the value of x to the nearest whole number, which is 2.

To find the maximum value of x, we assume that all the remaining pencils in the box are red. In this case, the equation becomes:

8x + x = 22

Simplifying the equation, we get:

9x = 22

Solving for x, we get:

x = 22 / 9 ≈ 2.44

Since we cannot have a fraction of a pencil, we round up the value of x to the nearest whole number, which is 3.

Therefore, the range of possible values for the number of red pencils is between 2 and 3.

Answer

Based on the given information, the number of red pencils in the box is between 2 and 3.