SOLUTION: the average of your first 6 test is 82. if your test average after your seventh test is an 80.5, what did you score on the seventh test?

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Question 918707: the average of your first 6 test is 82. if your test average after your seventh test is an 80.5, what did you score on the seventh test?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%286%2A82+%2B+x%29%2F7+=+80.5
x = 563.5 - 492