my 10th grade AP History teacher offered snacks to the students. 25 cents a piece, or 3 for a dollar. Most of the year went by of people taking the dollar optio

my 10th grade AP History teacher offered snacks to the students. 25 cents a piece, or 3 for a dollar. Most of the year went by of people taking the dollar option before a student asked if they could have 4 for a dollar, to which the teacher said, "of course, they are 25 cents each."