If 50% of (x-y) = 30% of (x+y) then what percent of x is y?  Select:	A) 15	B) 20	C) 18	D) 26	E) 25
50% of (x-y)=30% of(x+y) ==&gt; (50/100)(x-y)=(30/100)(x+y)   ==&gt;5(x-y)=3(x+y) ==&gt; 2x=8y =&gt; x=4y   therefore required percentage =((y/x) X 100)% = ((y/4y) X 100) =25%   Answer 25.
<result>E</result>
If 50% of (x-y) = 30% of (x+y) then what percent of x is y?