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) About Me  (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 highlight_green%28x%29 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