The thickness of the book is 8 mm. The book has 160 pages. What is the thickness of the paper on which the book is printed?

160: 2 = 80 pages
8/80 = 0.1mm – one page thickness

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.