Question

after reading 8/9 of a book .there are 20 pages left how many pages are there in a book​

Answer 1

Answer:

180

Step-by-step explanation:

Let, the total number of pages be x.

A/Q,

$x - \frac{8}{9} x = 20 \\ = > x - \frac{8x}{9} = 20 \\ = > \frac{9x - 8x}{9} = 20 \\ = > \frac{x}{9} = 20 \\ = > x = 20 \times 9 \\ = > x = 180$

Therefore, there are total 180 pages in the book.

Answer 2

Step-by-step explanation:

There are 180 pages in that book