Mathematics, 31.10.2019 06:31 Jakeandjenn21

Uncle ian spent $59 at a book store. he bought science fiction and mystery novels. the science fiction novels cost $7 apiece and the mystery novels cost $9 apiece. if uncle ian bought 7 novels, how many of each type did he buy?

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Uncle ian spent $59 at a book store. he bought science fiction and mystery novels. the science ficti...