Students are buying books for the new semester. Eddie buys the environmental statistics
Chapter 1, Problem 61(choose chapter or problem)
Students are buying books for the new semester. Eddie buys the environmental statistics book and the set theory book for $178. Leah, who is buying books for herself and her friend, spends $319 on two environmental statistics books, one set theory book, and one educational psychology book. Mehmet buys the educational psychology book and the set theory book for $147 in total. How much does each book cost?
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