SOLUTION: Test scores of 90, 74, 82, and 90. Next test final will count as two tests. What score do I need on final to produce an average of 85?

SOLUTION: Test scores of 90, 74, 82, and 90. Next test final will count as two tests. What score do I need on final to produce an average of 85?

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Question 617752: Test scores of 90, 74, 82, and 90. Next test final will count as two tests. What score do I need on final to produce an average of 85?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
90 + 74 + 82 + 90 + x + x = 6 * 85
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