if the cost of 8 books is Rs. 72. what will be the cost of 45 books.
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NO OF BOOKS = 8
COST OF BOOKS = 72
CP 0F 1 BOOK = 72 / 8
CP = 9
CP OF 45 BOOKS = 9×45
CP = 400 Ans....
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1
Answer:
The cost of 8 book is 72
then the cost of1 book =72/8=9
so if the cost the cost of 1 book is 9 then the cist of 45 book =45×9= 405
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