The total amount that Mary paid for a book was equal to the price of the book plus a sales tax that was 4 percent of the price of the book. Mary paid for the book with a $10 bill and received the correct change, which was less than $3.00. Which of the following statements must be true? Indicate all such statements.
The price of the book was less than $9.50., The price of the book was greater than $6.90., The sales tax was less than $0.45.
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