Question

В трех седьмых классах 103 ученика. В 7б на 4 ученика больше , чем в 7а, и на 2 ученика меньше , чем в 7в . Сколько учеников в каждом класс

Answer 1

Пусть в 7б будет х учебников, тогда в 7а будет (х-4) учебников, а в 7в (х+2).

х+(х-4)+(х-2)=103
х+х-4+х+2=103
3х=105
х=35

Соответственно, в 7а будет 35-4=31
в 7б будет 35
в 7в будет 35+2=37

Answer 2

Solving for the Number of Students in Each Class

To solve for the number of students in each class, we can use the information provided in the question.

Let's denote: - x as the number of students in class 7a - x + 4 as the number of students in class 7b - (x + 4) - 2 as the number of students in class 7c

We know that the total number of students in the three classes is 103.

Setting Up the Equation

We can set up the equation: x + (x + 4) + (x + 4 - 2) = 103

Solving for x

Solving the equation will give us the value of x, which represents the number of students in class 7a.

Let's solve the equation: 3x + 6 = 103 3x = 97 x = 97 / 3 x = 32.33

Since the number of students must be a whole number, we can conclude that there is an error in the given information or the question.

If you have any further information or if there's anything else I can assist you with, please feel free to let me know!