Mathematics, 09.04.2021 09:30 baby0905rodriguez

In one day, a book store earned $189 in sales for 4 copies of a new cookbook and 5 copies of a new science fiction novel. On the next day, it earned $146 in sales for 3 copies of the cookbook and 4 copies of the science fiction novel. What was the price of each book?

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In one day, a book store earned $189 in sales for 4 copies of a new cookbook and 5 copies of a new s...

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