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This year, 15% of the students who received a final grade
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20 May 2020, 21:51
20 May 2020, 21:51
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Question Stats:
71% (01:52) correct
28% (01:49) wrong based on 21 sessions
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This year, 15% of the students who received a final grade in Professor Smith's American History class received a grade higher than a 8, half the number of students who received a grade higher than a 8 last year. The number of students who received a grade higher than 8 last year is approximately what percent of the number of students who received a grade of a 8 or below this year?
A. 7%
B. 35%
C. 42%
D. 74%
E. 150%
A. 7%
B. 35%
C. 42%
D. 74%
E. 150%
Re: This year, 15% of the students who received a final grade
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20 May 2020, 22:02
20 May 2020, 22:02
1
Let the number of student this year be 100. Thus, 15 students received more than grade 8. Hence, last year, 15*2 = 30 students received grade higher than 8.
Students who received less than 8 this year is 100-15 = 85.
Hence, 30/85 * 100 = 35%.
Students who received less than 8 this year is 100-15 = 85.
Hence, 30/85 * 100 = 35%.
gmatclubot
Re: This year, 15% of the students who received a final grade [#permalink]
20 May 2020, 22:02
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