if 40% of (x-y) = 30% of (x+y) then what percent of x is y?
Select the correct option.
A) 2.5%	B) 10%	C) 5%	D) 14%	E) 25%
40% of (x-y)=30% of(x+y)   (40/100)(x-y)=(30/100)(x+y)   4(x-y)=3(x+y)   x=7y   x=7y   therefore required percentage   =((y/x) X 100)% = ((y/7y) X 100) =14%   Answer is 14%.
<result>D</result>
if 40% of (x-y) = 30% of (x+y) then what percent of x is y?