SOLUTION: Aura took three biology exams and has an average score of 85. her second exam score was 9 points better than her first, and her third exam score was 3 points better than her second

Algebra ->  Equations -> SOLUTION: Aura took three biology exams and has an average score of 85. her second exam score was 9 points better than her first, and her third exam score was 3 points better than her second      Log On


   

Question 1094411: Aura took three biology exams and has an average score of 85. her second exam score was 9 points better than her first, and her third exam score was 3 points better than her second one. what were her three exams scores
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
3*85=x+x+9+x+12
3*85=3x+21
85=x+7
78=x
87=x+9
90=x+12
The three scores were 78, 87, and 90