There are 7 classes of 6^th, 6 classes of 7^th ,
7 classes of 8^th and 5 classes of 9^th.
What is the percentage 7^th grade's classes?

 

There are 70 girls in the 7^th ground.
What is the percentage of students who are
girls in the 7^th ground?

round to the nearest tenth
 

Among the girls, what is the percentage
of students in the 7^th ground?

round to the nearest tenth

      12.76% of students are boys in the 7^th ground. How many boys are there in the 7^th ground?