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7 March, 19:47

Alan has read 80 % of a book. He has 4 more pages to finish. How many pages are there in the book?

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Answers (2)
  1. 7 March, 20:00
    0
    20 pages

    Step-by step:

    4 pages = 20%

    20 (5) = 100 so 4 (5) = 100% of the book

    4 (5) = 20

    the book has 20 pages.
  2. 7 March, 20:08
    0
    20 pages

    Step-by-step explanation:

    If 100%-80%=4 pages

    then 20%=4 pages (multipy both sides by 5)

    100%=20

    20 pages
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