Question

There are 104 students in the fourth grade at Allison’s school one day 15 fourth-graders were absent how many fourth graders were at school that day

Answer 1

This is what the problem looks like: 104 - 15 = ?

Your answer is 89.

Answer 2

If you have 104 students in the beginning and then 15 are absent, that's as simple as saying 104 - 15.

And 104 - 15 = 89