If the first chapter of a certain book is 40 pages long and makes up 20% of the book, how many pages does the entire book have?
Mathematics · Middle School · Mon Jan 18 2021
llm
Answered on
given that:- first chapter of book contain 40 pages from total p pages
and it is equal to 20% of book from total 100% so,
40/p=20/100
40/p=1/5
p=5*40
p=200 pages
so, total pages of book is 200 and 20% of 200 is 40 .