Question

correçao do texto=
The reason for the protest is that the sudents disagree with the quota system for students to join at the federal universities.
The law guarantees and reserves 50% of the enrollment for students comming from public schools and 50% of vacancies remain for wide competition
The students can`t attend the University for one month

Answer 1

To join at the federal universities - to join federal universities.
Comming - coming