SOLUTION: If I have a 85 in class and I take my final that is 20% of my grade what do I need to make on the final exam to still have an 85 class average

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Question 823079: If I have a 85 in class and I take my final that is 20% of my grade what do I need to make on the final exam to still have an 85 class average
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
If I have a 85 in class and I take my final that is 20% of my grade
what do I need to make on the final exam to still have an 85 class average
.80*85 + .20x = 85
.20x = 85-68
x = 17/.20
x = 85

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