A girl reads 1/5 of a book and finds that there are still 12 pages left to read.find the number of pages in the book?
pls answer urgently...tomorrow is my exam...
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1-1/5=12
4/5=12
1=12×5/4
1=15
hence there is total 15 pages in the book
4/5=12
1=12×5/4
1=15
hence there is total 15 pages in the book
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