SOLUTION: If I have an 80% in my class and I have to take my final worth 20%, what do I have to earn on the final to maintain a 70% in the class (c-)

Algebra ->  Average -> SOLUTION: If I have an 80% in my class and I have to take my final worth 20%, what do I have to earn on the final to maintain a 70% in the class (c-)      Log On


   



Question 867297: If I have an 80% in my class and I have to take my final worth 20%, what do I have to earn on the final to maintain a 70% in the class (c-)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
80*80 + F*20 = 70*100