the price of a dozen exercises books is rupees 72.Find the cost of 18 exercise books
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3
72
*18
576
72+
1296
xch candidacy
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4
Answer:
price of dozen of books=72
price of 18 books=
first we have to find cost of one book
that is 72 divided by 12=6
than cost of 1 book = 18 multiplied by 6
=102
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