You read a novel over 7 days.
The first day you read 26 pages,
the second day you read 18 pages,
the third day you read 50 pages,
the fourth day you read 15 pages,
the fifth day your teacher says reread the last 20 pages,
the sixth day you don't read any pages,
the seventh day you read the last 37 pages, What is the mean number of pages you read each day? Find the mean number of pages you read each day.