SOLUTION: I have 91% in the class and my final is 80 questions and worth 15% of my grade what percentage on the final do I have to get to maintain a 80% in the class

Question 879361: I have 91% in the class and my final is 80 questions and worth 15% of my grade what percentage on the final do I have to get to maintain a 80% in the class
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
You need an average of 80 in the class.
Let's say there are 2000 points in the class (that makes it easy because then your final is worth 300 and there are 1700 points already earned.)
You have already earned .91 * 1700, or 1547 points.
You need .80 * 2000, or 1600 points.
That means, you only need 53 points out of 300 on the final, or 17%. Breathe easy! 15 questions correct will put you over.
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