Sunshine Primary School has 4 classes in the sixth grade, each class A people, and the fifth grade h

Classmate: You copied the wrong question, where did that 49 come from?

There are a total of 252 students in the fourth grade.

Multiplication, 42 6 252 people.

The average number of mountain danga is known. Ignite.

The average number multiplied by the number is the total number of commas.

35 1 5 = 175 (person).

A: There are 175 students in Year 6.

= 175 people.

A: There are 175 students in Year 6.

Hello total score: (51+49) 81=8100 points set the average score of the second class x, then the average score of the first class is x-7

So 49x+51(x-7) = 8100

100x= 8 457

So x = points.

I studied in Chaoyang in elementary school, so I came to answer.

81*(51+49)=8100 total score.

Set a class with an average score of x

51x+49（x+7）=8100

Solve the equation x=

The average score of the second class is:

Sunshine Primary School has 6 grades, each grade has 4 classes, with an average of 50 students per class. 50 24 calculates the total number of students in the school, which is 1200 in total.

50 24 asks (how many people are there in each grade?) ）

50 24 6 (How many people are there in the school?) ）

The total number of students in the sixth grade of Sunshine Primary School was sought.

With Gao Shi Xue according to Deng Ci'en Temple Floating (Cen Shen).

4a 45b represents the ratio of the total number of students in grade 6 to the total number of students in grade 5.

4a 45b indicates that sixth graders are a fraction of the fifth grader population.

Percentage of fifth grade in sixth grade.

What percentage of the total number of sixth graders is (or "is") the total number of fifth graders?

Ratio of the number of people in the six-year and five-year groups.

Percentage of sixth graders in fifth grade.

4a 45b indicates that the number of sixth graders is several times, fractions, hundredths of the fifth graders, and so on.

Ratio of the total number of students in grades 6 and 5.

The ratio of the total number of students in grades 6 to 5.

Ratio of the number of students in the sixth grade to the fifth grade.

The number of sixth graders is higher than the number of fifth graders.

What percentage of fifth-graders are in sixth graders.

55×8×6

2640 (name).

Hello, this question has been answered, if satisfied.

Please click "Accept Answer" in the bottom right corner.

Class 3 has: (157+3) (1+pax.)

Class 2: 50-3=47 people.

Class 1: 50 students.

Solution: There are x people in 3 classes.

Then there are people in class 1 and x-3 people in class 2.

x-3) x=157

x-3=157

x=50x-3=47

A: There are 60 people in Class 1, 47 people in Class 2, and 50 people in Class 3.

There are 60 people in the first class, 47 people in the second class, and 50 people in the third class.