If the price has fallen by 10% what percent of its consumption be: increased so that the expenditure may be the same as before?	Pick one: A) 15 1/9% B) 11 8/9% C) 11 1/9% D) 16 1/9% E) 11 1/2%
100 – 10 = 90   90------10   100------? =&gt; 11 1/9%   Answer:11 1/9%
<result>C</result>
If the price has fallen by 10% what percent of its consumption be: increased so that the expenditure may be the same as before?