SOLUTION: If you have an 80 average so far in class after 3 tests what would you need to get on the fourth test to have an average of 83

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Question 1122580: If you have an 80 average so far in class after 3 tests what would you need to get on the fourth test to have an average of 83
Answer by ikleyn(52831) About Me  (Show Source):
You can put this solution on YOUR website!
.
%2880%2A3+%2B+x%29%2F4 >= 83.     (1)


Solve for x, which is the number under the question.



Your first step is to multiply both sides of the inequality (1) by 4.