If 1 book costs Rs28.75 , find the cost of 1 dozen books.
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lets opt for unitary method...
cost of 1 book = ₹28.75
cost of 12 books (dozen = 12) = 12×28.75
= ₹345
that's the ans; hope it helped
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Answer:
cost of one book= 28.75 Rs
cost of 1 dozen books = 12 × 28.75 as 1 dozen = 12 books
= 345 Rs
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