If 50% of (x-y) = 30% of (x+y), then what percent of x is y ?

1.	If 50% of (x-y) = 30% of (x+y), then what percent of x is y ?
A.	25%
B.	$$33{1 over 3} % $$
C.	40%
D.	400%
Answer» B. $$33{1 over 3} % $$

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