If 3r = 18, what is the value of 6r + 3?

Discussion in 'Calculator Requests' started by math_celebrity, Aug 28, 2019.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    If 3r = 18, what is the value of 6r + 3?

    A) 6
    B) 27
    C) 36
    D) 39

    If we type in the equation 3r = 18 into our search engine, we get:
    r = 6

    Take r = 6, and subtitute it into 6r + 3:
    6(6) + 3
    36 + 3
    39, or answer D
     

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