In Country S, the unemployment rate among construction workers dropped from 16 percent on September 1, 1992, to 9 percent on September 1, 1996. If the number of construction workers was 20 percent greater on September 1, 1996, than on September 1, 1992, what was the approximate percent change in the number of unemployed construction workers over this period?
Choose the correct choice from the following choices.
A) 50% decrease	B) 30% decrease	C) 15% decrease	D) 30% increase	E) 55% increase
In Country S 1992 1996   No of construction workers 100 120   Unemployment Rate 16% 9%   Unemployed workers 16 11   % change in unemployed workers=(16-11)= 
<gadget id="calculator">(16-11)</gadget>
<output>5</output>
5/16=~33% decrease   Closest ans=30% decrease   Ans=30% decrease
<result>B</result>
In Country S, the unemployment rate among construction workers dropped from 16 percent on September 1, 1992, to 9 percent on September 1, 1996. If the number of construction workers was 20 percent greater on September 1, 1996, than on September 1, 1992, what was the approximate percent change in the number of unemployed construction workers over this period?