SOLUTION: Paul has grades 70 and 68 on his first two test what must he score on his third test in order to have an average of at least 70!? What does the equation look like/

Algebra ->  Average -> SOLUTION: Paul has grades 70 and 68 on his first two test what must he score on his third test in order to have an average of at least 70!? What does the equation look like/       Log On


   



Question 519091: Paul has grades 70 and 68 on his first two test what must he score on his third test in order to have an average of at least 70!? What does the equation look like/
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(70+68+x)/3=70
138+x=70*3
138+x=210
x=210-138
x=72