To rent a building for a school dance, Ava paid 120 plus 2.50 for each student. To attend the school

To rent a building for a school dance, Ava paid 120 plus 2.50 for each student. To attend the school all together Ava paid 325. How many students attended the dance?

Let the number of students be s. We're given
2.50s + 120 = 325

Type this equation into our search engine, and we get:
s = 82