It would vary. If the author has writer's block they may write nothing or a page or two. If they are on a roll, they could write for hours and hours and produces several chapters. Sometimes authors can go for days or weeks with nothing and then lock themselves up and hardly sleep while they write. That's why some books take years to produce and others just months.
how many hours does a dentist work per day?
Oceanographers will work however many hours they decide is right for them. Typically an oceanographer will work about 12 hours in a day.
a dance teacher can work any hours it depends on the company work hours to how many hours the dance teacher will work a day
12 hours a day
A typical work day is 8 hours.
8 hours a day
8 hours a day and 56 hours a week
24 hours a day
How many hours does a PLN work?
about 24 hours a day ...
depends how many hours they work and use a calculator to do how many hours they work a day and times it by how many days in a month.
8 hours a day