SOLUTION: solve grade average a student scores 75 and 91 on two differnt tests of 100 points. if the maximum score on the next test is also 100 points, what score does the student need to ma

Algebra ->  Average -> SOLUTION: solve grade average a student scores 75 and 91 on two differnt tests of 100 points. if the maximum score on the next test is also 100 points, what score does the student need to ma      Log On


   

Question 468463: solve grade average a student scores 75 and 91 on two differnt tests of 100 points. if the maximum score on the next test is also 100 points, what score does the student need to maintain an average of at least 80?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(75+91+x)/3=80
166+x=80*3
166+x=240
x=74