if a boy reads 3/5 pages of a book in one day and 4/5 pages in another day. There are 30 pages unread, how many pages does the bo

1 thought on “if a boy reads 3/5 pages of a book in one day and 4/5 pages in another day. There are 30 pages unread, how many pages does the bo”

1. Answer:

   75 pages.

   Step-by-step explanation:

   Let the total number of pages in the book be x.

   According to the question,

   (3/5 of x) + (4/5 of x) – (30) = x

   3x/5 + 4x/5 – 30 = x

   (3x + 4x) / 5 = x + 30

   7x = 5 (x + 30)

   7x = 5x + 150

   7x – 5x = 150

   2x = 150

   x = 150/2

   x = 75 pages

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