1. I haven't seen the remaining 5/7, but I have seen 1-5/7=2/7. I watched 2/7 in these two days.

2. Two-seventh of the book is 36+48=84 pages, and the total number of pages in the book is X. 2/7X=84 X=294, so this book has 294 pages.

3.294-36-48=2 10. There are 2 10 pages left to read.