⅓ of the total number of students in a school are in 6th Grade. 1. If “x” stands for the total number of students in the
school and “y” stands for the number of 6th Graders,
write an equation to represent this situation.

2. How many 6th Graders are there if the school
has 90 students?

3. How many 6th Graders are there if the school
has 27 students?

4. How many total students are in the school
if 42 of them are 6th Graders?