math

If A=2/3B,B=2/3C,and C=2/3D,what part of D is B?

a. 8/27
b. 4/9
c. 2/3
d. 75
e. 4/3

please answer and explain

asked by thomas
  1. you want B/D

    B/D = (2/3 C)/D
    = (2/3 (2/3 D))/D
    = 4/9

    A is just noise.

    posted by Steve

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