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 one:  A) 30  B) 33 1/3  C) 35  D) 25  E) 20
100---150   150----50   100-----? ==&gt;33 1/3   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?