If the price has fallen by 16% what percent of its consumption be: increased so that the expenditure may be the same as before?	Choose the correct choice from the following choices: A) 11 1/8% B) 11 1/5% C) 11 1/9% D) 19 1/21% E) 21 1/9%
100 â€“ 16 = 84   84------16   100------? =&gt; 19 1/21%   Answer: 19 1/21%
<result>D</result>
If the price has fallen by 16% what percent of its consumption be: increased so that the expenditure may be the same as before?