SOLUTION: Gabriella had to take three tests in her accounting class. She scored 71 points on her first test and 85 points on her second test. If her average for the three tests is 83, what s

Algebra ->  Equations -> SOLUTION: Gabriella had to take three tests in her accounting class. She scored 71 points on her first test and 85 points on her second test. If her average for the three tests is 83, what s      Log On


   

Question 395384: Gabriella had to take three tests in her accounting class. She scored 71 points on her first test and 85 points on her second test. If her average for the three tests is 83, what score did Gabriella get on her third test?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Gabriella had to take three tests in her accounting class. She scored 71 points on her first test and 85 points on her second test. If her average for the three tests is 83, what score did Gabriella get on her third test?
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Average = (total points)/(# of tests)
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83 = (71+85+x)/3
156+x = 3*83
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x = 249-156
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x = 93
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Cheers,
Stan H.