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OG2016 PS Practice #135.
In Country C, 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?
50% decrease
30% decrease
15% decrease
30% increase
55% increase

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