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posted by kelvyn on Saturday, October 1, 2011 at 12:59pm.

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

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

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