SOLUTION: A student has scores of 68.75, 69, and 71.25 on his first three tests. He needs an average of at least 70 to earn a grade of C. What is the minimum score that the student needs on

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A student has scores of 68.75, 69, and 71.25 on his first three tests. He needs an average of at least 70 to earn a grade of C. What is the minimum score that the student needs on       Log On


   

Question 712777: A student has scores of 68.75, 69, and 71.25 on his first three tests. He needs an average of at least 70 to earn a grade of C. What is the minimum score that the student needs on the fourth test to ensure a C?
Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
at least 68 OR OVER