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 most appropriate option
A) 331/3%  B) 332  C) 333  D) 335  E) 400
Explanation:   100   150   ------   150-------50   100-------? =&gt; 331/3%   331/3%)
<result>A</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?