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Mathematics 21 Online
OpenStudy (anonymous):

Mickey bought 2 books from the bargain bin at his school's book fair and paid six dollars. If buying books from the bargain bin follows a direct variation, how much did his sister pay for the 6 books she bought? two dollars ten dollars twelve dollars eighteen dollars

OpenStudy (anonymous):

18

OpenStudy (anonymous):

2 books for $6 means 1 book for $3 means 6 books for $18

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