A waitress sold 12 ribeye steak dinners and 27 grilled salmon dinners, totaling $595.65 on a particular day. Another day she sold 28 ribeye steak dinners and 9 grilled salmon dinners, totaling $581.69. How much did each type of dinner cost?

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Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account