If y exceeds x by 28%, then x is less than y by? Choose the correct choice from the following answers:
A) 16 2/8%	B) 16 8/3%	C) 21 7/8%	D) 76 2/3%	E) 17 2/3%
X=100	y=128   128------28   100-------? =&gt; 21 7/8%   Answer:21 7/8%
<result>C</result>
If y exceeds x by 28%, then x is less than y by?