SOLUTION: If in a particular course, a student has an average score of less than 90 and not below 85 on four examinations, the student will receive a grade of �1.5�. If a student�s gr

Question 1093915: If in a particular course, a student has an average score of less than 90 and not below 85 on four examinations, the student will receive a grade of �1.5�. If a student�s grades on the first three examinations are 83, 96, and 86, what score on the fourth examination will result in a �1.5� grade in the course?
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
average: between 85 and 90
sum of all exams: between 340 and 360

83 + 96 + 86 = 265

340 - 265 = 75
360 - 265 = 95

The student needs to score between a 75 and a 95.
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