3) A dozen books costs 2 1920.
Find the cost of 7 such
books.
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3) A dozen books costs 2 1920.
Find the cost of 7 such
books.
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Answer:
12786.6667
Step-by-step explanation:
cost of 12 books = 21920
cost of 1 book = 1826.66667
cost of 7 books = 12786.6667
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