SOLUTION: Determine in terms of inequality the average scores of a student who got 82,76 and 78 on first 3 tests and derive his marks in the fourth test, whose average should be 80.

Algebra ->  Inequalities -> SOLUTION: Determine in terms of inequality the average scores of a student who got 82,76 and 78 on first 3 tests and derive his marks in the fourth test, whose average should be 80.      Log On


   

Question 340487: Determine in terms of inequality the average scores of a student who got 82,76 and 78 on first 3 tests and derive his marks in the fourth test, whose average should be 80.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Hint: In order to have an average of 80 on 4 tests, the sum of his scores must be 4 times 80 = 320. He has 236 total so far (82 + 76 + 78).


John

My calculator said it, I believe it, that settles it