A girl can finish a book in 25 days if she reads 18 pages of it every day. How many days will she take
to finish it, if she reads 15 pages every day?
Solution:-
From the question,
Number of days taken to finish the book if she reads 18 pages every day = 25
Number of days taken to finish the book if she read 1 page every day = (18 × 25)
∴Number of days taken to finish the book if she reads 15 pages every day = (18 × 25)/ 15
= 30 days
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