math
posted by thomas .
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

math 
Steve
you want B/D
B/D = (2/3 C)/D
= (2/3 (2/3 D))/D
= 4/9
A is just noise.
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