GRE Math Challenge Question
In which of the following years was the number of non-unionized workers in steel working the greatest?
A) 1950
B) 1955
C) 1980
D) 1985
E) 1990
Explanation:
Correct Choice: (C)
Although there were a lot of steel workers in the 50s, you can see from the graph that all but a few of them were unionized, so you can throw out the first two answer choices straight away.
There were about 16,000 steelworkers in 1980, and about 4,000 were unionized, so there were about 12,000 non-unionized workers in 1980.
There were about 18,000 steelworkers in 1985, and about 10,000 were unionized, so there were about 8,000 non-unionized workers in 1985.
There were about 12,000 steelworkers in 1990, and about 8,000 were unionized, so there were about 4,000 non-unionized workers in 1990. So, of the years given, there was the greatest number of non-unionized steelworkers in 1980.
Although there were a lot of steel workers in the 50s, you can see from the graph that all but a few of them were unionized, so you can throw out the first two answer choices straight away.
There were about 16,000 steelworkers in 1980, and about 4,000 were unionized, so there were about 12,000 non-unionized workers in 1980.
There were about 18,000 steelworkers in 1985, and about 10,000 were unionized, so there were about 8,000 non-unionized workers in 1985.
There were about 12,000 steelworkers in 1990, and about 8,000 were unionized, so there were about 4,000 non-unionized workers in 1990. So, of the years given, there was the greatest number of non-unionized steelworkers in 1980.
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