There are 18 classes at Webster Middle School. Each class has 28 students. On Monday, 496 students were at school. How many students were absent?
(A) 8
(B) 11
(C) 18
(D) 26
(E) 29
Since each of the 18 classes has 28 students, then there are $18 \times 28=504$ students who attend the school.

On Monday, there were 496 students present, so $504-496=8$ students were absent.

ANSWER: (A)