If 50% of (x-y) = 30% of (x+y), then what percent of x is y? Answers
A) 20%  B) 30%  C) 25%  D) 15%  E) 50%
50% of (x-y) = 30% of (x+y)   50/100 (x-y) = 30/100 (x+y)   x = 4y   Required percentage = y/x *100 = y/4y * 100 = 25%   Answer is 25%
<result>C</result>
If 50% of (x-y) = 30% of (x+y), then what percent of x is y?