1.

Patrick has a set of green, white and black marbles. ? The green marbles make up exactly \[\frac{1}{2}\] of the set. ? The set has 2 black marbles. ? The number of white marbles is twice the number of black marbles. How many marbles are in Patrick's set?

A.  6     
B.  4
C.  8     
D.  12
Answer» E.


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