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BTGmoderatorLU
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Source: Manhattan Prep
The average score of x number of exams is y. When an additional exam of score z is added in, does the average score of the exams increase by 50%?
1) 3x = y
2) 2z - 3y = xy
The OA is B
The average score of x number of exams is y. When an additional exam of score z is added in, does the average score of the exams increase by 50%?
1) 3x = y
2) 2z - 3y = xy
The OA is B
