With the oddition of after school 'Academic Detention', the number of students (x) doing test corrections tripled. Two weeks later it decreased by 25%. Mr. V. asked
a few students to write an expression that best represents these changes.
Student A: Say it is 2.75%
Student B: Say it is 3% - 0.75%
Student C: Says it is 3x -0.25%
Student D: Says it is 3(x-0.25x)
Student E: Says it is 2.25X
Who is wrong who is right? Defend your opinion
Who has the best expression? Defend your opinion

and i also need a bar diagram