SOLUTION: Your current average of grades for four math tests is 84. What is the least you can make on the next test to raise your average to at least 86?

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Question 925306: Your current average of grades for four math tests is 84. What is the least you can make on the next test to raise your average to at least 86?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%284%2A84+%2B+x%29%2F5+%3E+=+84+
328 + x ≥ 420
x ≥ 420 - 328
x ≥ 92