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Annika borrowed a book from the library and forgot to return it on time. The library charges $0.25 per day for the first four days and $0.30 per day for all of the remaining days. If Annika had to pay the library $4.00, how many days late was her book?
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Find the product and explain the process and reasoning.
$0.79 x 3.7
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Use the order of operations to find the value of the expression.
5x2+6-5