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? Pick one:	A) 331/8%	B) 331/3%	C) 381/3%	D) 231/3%	E) 361/3%
100   150   ------   150-------50   100-------? =&gt; 331/3%   Answer: 331/3%
<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?