SOLUTION: Jeff has taken 6 of 10 equally weighted math tests this semester, and he has an average score of exactly 82.0 points. How many points does he need to earn on the 7th test to bring

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Question 1083953: Jeff has taken 6 of 10 equally weighted math tests this semester, and he has an average score of exactly 82.0 points. How many points does he need to earn on the 7th test to bring his average score up to exactly 83 points?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
An average of 82 for 6 tests,
T%2F6=82
T=492
So adding the next score,
%28492%2BN%29%2F7=83
492%2BN=581
N=89
He needs to get an 89.