$378 is divided among A, B, and C so that A receives half as much as B, and B receives half as much as C. How much money is C's share?	Choose the most appropriate option.
A) $ 200 B) $ 208 C) $ 216 D) $ 224 E) $ 232

Rationale: "let the shares for a , b , and c be x , 2 x , and 4 x respectively . 7 x = 378 x = 54 4 x = 216 the answer is c ."
Answer: C