if 3/7th of a book and 15 additional pages are read 49 pages of the book are left to be read how many pages does the book have[step by step explanatio]
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Answer:
Let the total no of pages be=x
then, according to the question,
3x/7+15+49=x
3x/7+64=x
Multiplying the equation with 7
3x+448=7x
3x-7x=-448
4x=448
x=448/4
x=112
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