SOLUTION: ho to solve problem if a student has grades of 70 and 90 on first two test and they want an average of at least 74 what possible scores can she make on her thrid test

Algebra ->  Average -> SOLUTION: ho to solve problem if a student has grades of 70 and 90 on first two test and they want an average of at least 74 what possible scores can she make on her thrid test      Log On


   

Question 362291: ho to solve problem if a student has grades of 70 and 90 on first two test and they want an average of at least 74 what possible scores can she make on her thrid test
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(70+90+x)/3=74
(160+x)/3=74
160+x=74*3
160+x=222
x=62