algebra
posted by sjlslkdj .
Mr.Yakima teaches science classes,
with the same number of students in
each class.Of those tudents are 80 sixth graders and 40 are fifth graders.
write an equation to model this situation using the variable n. What does your variable represent?

N is the students in each class, so 3N is the total number of students.
3N=80+40
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