The price of an article has been reduced by 25%. In order to restore the original price the new price must be increased by? Choices: A) 33 1/3 % B) 9 1/11 % C) 11 1/9 % D) 66 2/3 % E) None
100   75   -------   75 ------- 25   100 ------ ? =&gt; 33 1/3%   33 1/3 %NSWER:33 1/3 %
<result>A</result>
The price of an article has been reduced by 25%. In order to restore the original price the new price must be increased by?