In an auditorium, 1/6 of the students are 5th graders, 1/3 are 4th graders, and 1/4 of the remaining students are 2nd graders. if there are 96 students in the auditorium, how many 2nd graders are there?

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square