If cost of 20 books is 2500.Find the cost of 45 such books.
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Step-by-step explanation:
the cost of 24 books is 618
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Step-by-step explanation:
cost of 20 books=2500
cost of 1 book = 2500/20
cost of 45 books=2500/20×45
thus cost of 45 books = 5625
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