Question

After reading 7/9 of a book, 40 pages are left. How many pages are there in the book?

Answer 1

hi

let the total pages be x

After reading 7/9 of a book, 40 pages are left.

so lets form an euqation

x = 7x/9 + 40

x - 7x/9 = 40

2x/9  = 40

x = 40 * 9 /2

x = 180 pages

so totally there are 180 pages in the book

hope it helps u

:)