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Linear Equations in One Variable

SAT Math· difficulty 4/5

From the previous data, what is aa in C(m)=a+bmC(m) = a + bm?

  • A

    1010

  • B

    2020

    check_circle
  • C

    1515

  • D

    2525

Explanation

30=a+0.10(100)=a+1030 = a + 0.10(100) = a + 10 → a=20a = 20.

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