If the price of gold increases by 50%, find by how much the quantity of ornaments must be reduced, so that the expenditure may remain the same as before?
Choose the correct answer.
A) 27 2/23 %
B) 33 1/3 %
C) 30%
D) 19%
E) 29%
100   150   ------   150-------50   100-------? =&gt; 331/3%   ANSWER:33 1/3 %
<result>B</result>
If the price of gold increases by 50%, find by how much the quantity of ornaments must be reduced, so that the expenditure may remain the same as before?