Question

a book has been typset with 650 pages having 60lines per page. if the lines per page are decreased to 52 , then how many pages will the book be

Answer 1

$650 \times 60 = 39000 \\ 39000 \times 52 = 2028000 \\ 202800 \: pages \: were \: thier \: in \: the \: book$