Answers

2016-03-23T14:56:29+05:30
Given: 7/9+40=x
no of pages he read=7/9
no. of pages left=2/9 or 40
                      

sol=>2/9=40 pgs
1/9=40/2
      =10 pgs
so no. of pages in the full book=10*9  
                                                 =90
2 5 2
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How 2/9 came
he read 7/9 so......2/9 is left
N where is x
x is total or 9/9
2016-03-23T18:17:56+05:30
Let x be the TOTAL pages
given NO of books =1
7/9 of the book was readed then the remaining book is =1-7/9 =2/9
                2/9 = 40
                   1/9=40/2
                     1/9=20
       so the total book pages = 20 *9 = 180 pages                        
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