If the price of gold increases by 25%, find by how much the quantity of ornaments must be reduced, so that the expenditure may remain the same as before?
Answers:
A) 331/8%	B) 331/3%	C) 631/3%	D) 332/3%	E) 20%
100   125   ------   125-------25   100-------? =&gt; 20%   Answer:20%
<result>E</result>
If the price of gold increases by 25%, find by how much the quantity of ornaments must be reduced, so that the expenditure may remain the same as before?