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Linear Equations in One Variable

SAT Math· difficulty 5/5

A printing company charges a \200setupfeeplussetup fee plus$5perbook.Anothercompanychargesaper book. Another company charges a$50setupplussetup plus$8$ per book. After how many books are the costs equal?

  • A

    75

  • B

    40

  • C

    30

  • D

    50

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Explanation

200+5b=50+8b200 + 5b = 50 + 8b → 150=3b150 = 3b → b=50b = 50.

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