A fourth-grade teacher has n boxes, each containing 12 pencils. After the teacher gives p pencils to each student in the class, the teacher has t pencils left over. Which of the following represents the number of student in the class?
A. (12n-t)/p
B. (12n+t)/p
C. (12n/p)-t
D. (12p-t)/n
E. (12p+t)/n
A. (12n-t)/p
B. (12n+t)/p
C. (12n/p)-t
D. (12p-t)/n
E. (12p+t)/n