algebra

posted by brooke

is the average of 27 - x, x - 8, and 3x + 11 is y, what is the average of 2y and 2y/3?

  1. MathMate

    Average
    y=((27-x)+(x-8)+(3x+11))/3

    The average of
    2y and y/3 is
    (2y+y/3)/2
    =(7/6)y
    =(7/6)*((27-x)+(x-8)+(3x+11))/3
    Simplify.

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