SOLUTION: You earned a 90 and an 82 on your first two essays in English class. What score, represented by the variable s, do you need to earn on your third essay to have an average

Algebra ->  Average -> SOLUTION: You earned a 90 and an 82 on your first two essays in English class. What score, represented by the variable s, do you need to earn on your third essay to have an average      Log On


   

Question 648777: You earned a 90 and an 82 on your first two essays
in English class. What score, represented by the variable s,
do you need to earn on your third essay to have an average of
84 or greater?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(90+82+s)/3=84
(90+82+s=84*3
172+s=252
s=252-172
s=80 or more