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Questions refer to the following graph. If every student who was in the eleventh grade in 1996 and who used a computer in schoo
Questions refer to the following graph. If every student who was in the eleventh grade in 1996 and who used a computer in schoo
admin
2012-01-15
76
问题
Questions refer to the following graph.
If every student who was in the eleventh grade in 1996 and who used a computer in school at least once a week used a computer at least once a week in 1997, and if 20% of those students who were in the eleventh grade in 1996 and who did not use a computer in school at least once a week, did use a computer in school once a week in 1997, then what percent of twelfth-graders in 1997 used a computer in school at least once a week?
选项
A、40%
B、50%
C、60%
D、70%
E、80%
答案
C
解析
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本试题收录于:
GRE QUANTITATIVE题库GRE分类
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GRE QUANTITATIVE
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