A man reads 3/8 of a book on a day and 4/5 of the remainder, on the second day. If the number of pages still unread is 40, how many pages did the book contain?
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Answer:
See,
Let the total no. of pages be x.
So,
3/8 x X = 1st Day
20/40 x X = 2nd Day
Unread pages = 20x/40
20x/40 = 40
So,
x = 80
Total pages = 80
Step-by-step explanation:
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