SOLUTION: On the last three exams a student scores 88, 87 and 90. What score must the student earn on the next exam to have an average above 90
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Question 1047118: On the last three exams a student scores 88, 87 and 90. What score must the student earn on the next exam to have an average above 90 Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! On the last three exams a student scores 88, 87 and 90. What score must the student earn on the next exam to have an average above 90
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Avg of 90 on 4 tests --> 360 points total.
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360 - (88+87+90) = 95
--> score > 95
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PS 96 --> avg of 90.25
No info was given on rounding, or integers for scores.
