If cost of sugar increases by 15%. How much percent consumption of sugar should be decreased in order to keep expenditure fixed?	Answers:
A) 13%
B) 50%
C) 20%
D) 80%
E) 30%
100   115   -----   115 ----- 15   100 ------ ? =&gt; 13%   13%nswer: 13%
<result>A</result>
If cost of sugar increases by 15%. How much percent consumption of sugar should be decreased in order to keep expenditure fixed?