For ten identical books the man paid more than 1100 dollars. But if he had bought nine of the same books, he would have spent less than $ 1000.
How many rubles does one book cost?
Answer:
111 dollars
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From @ladydee
For ten identical books the man paid more than 1100 dollars. But if he had bought nine of the same books, he would have spent less than $ 1000.
How many rubles does one book cost?
Answer:
111 dollars