Question

Периметр классной комнаты 28 м,а ее длинна 8 м.Сколько учеников по санитарным нормам должно быть в классе на каждые 7 человек предусмотрено 12.кв.м?

Answer 1

1) 28 - ( 8+8) = 12 м 2 ширины

2) 12 : 2 = 6 м ширина

3) 8 х 6 = 48 кв.м площадь класса

4) 48 :12 = 4 кв.м на 7 человек

5) 7 х 4 = 28 учеников в классе

Answer 2

Calculating the Number of Students Based on Sanitary Norms

To calculate the number of students that should be in the classroom based on the given perimeter and length, we can use the formula:

Number of students = (Perimeter - 2*Length) / 12

Given: - Perimeter of the classroom = 28 m - Length of the classroom = 8 m - Sanitary norm of 12 sq. m per 7 students

Calculation

Using the formula: Number of students = (28 - 2*8) / 12 Number of students = (28 - 16) / 12 Number of students = 12 / 12 Number of students = 1

Answer

According to the given dimensions and sanitary norms, 1 student should be in the classroom for every 7 students.