Problema Solution
Gabriella had to take three test 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 provided by our tutors
let 'x' represent the score on the third test
(71 + 85 + x)/3 = 83
by solving we find:
x = 93 points
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Gabriella scored 93 points on the third test.