Consider a set of six classes, each meeting regularly once a week on a particular day of the week. choose the statement that best explains why there must be at least two classes that meet on the same day. assuming that no classes are held on weekends o the pigeonhole principle shows that in any set of six classes there must be more than two classes that meet on the same day because there are only five weekdays for each class to meet on. o the pigeonhole principle shows that in any set of six classes there must be at least two classes that meet on the same day because there are only five weekdays for each class to o the pigeonhole principle shows that in any set of six classes there must be exactly two classes that meet on the same day because there are only five weekdays for each class to o the pigeonhole principle shows that in any set of six classes there must be at least two classes that meet on the same day because there are more than two classes in total meet on meet on.