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2 April, 20:50

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

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Answers (2)
  1. 2 April, 21:05
    0
    Answer: 180 pages

    Step-by-step explanation:

    Let the equation be

    x - 7/9x = 40

    9x - 7x = 360

    x = 360 / 2 = 180

    The book has total 180 pages

    Means he has read (180 - 40) = 140 pages
  2. 2 April, 21:20
    0
    180 pages
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