If the price has fallen by 15% what percent of its consumption be: increased so that the expenditure may be the same as before? Options:	A) 11 1/8%	B) 11 1/5%	C) 17 11/17%	D) 18 7/9%	E) 21 1/9%
100 â€“ 15 = 85   85------15   100------? =&gt; 17 11/17%   Answer: 17 11/17%
<result>C</result>
If the price has fallen by 15% what percent of its consumption be: increased so that the expenditure may be the same as before?