There are 1000 students in the experimental primary school, 200 in the sixth grade, of whom 98 are girls. What percentage of the students in the sixth grade are girls What percentage of the students in the whole grade

There are 1000 students in the experimental primary school, 200 in the sixth grade, of whom 98 are girls. What percentage of the students in the sixth grade are girls What percentage of the students in the whole grade

The number of sixth grade students accounts for 200 △ 1000 = 0.2 = 20% of the total number of students in the school
The number of girls in Grade 6 accounts for 98 △ 200 = 0.49 = 49% of the total number of students in Grade 6