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March 29, 2017

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What is the value of the variable and bc if b is between a and c. Ab=4x,bc=5x;ab=16

  • geometry - ,

    you have
    4x = ab
    5x = bc
    16 = ab

    5ab = 4bc
    5(16) = 4bc
    20 = bc
    so, x=4

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