SOLUTION: The average score of the six tests was 82. The first five scores were 91, 87, 78, 86, and 72. What was the score of the sixth test?

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Question 701943: The average score of the six tests was 82. The first five scores were 91, 87, 78, 86, and 72. What was the score of the sixth test?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(91+87+78+86+72+x)/6=82
414+x=82*6
x=492-414
x=78