Problema Solution
Going into the final exam, which will count as two tests, AmeliaAmelia has test scores of 77 comma77, 86 comma86, 72 comma72, 63 comma63, and 90.90. What score does AmeliaAmelia need on the final in order to have an average score of 80?
Answer provided by our tutors
Let 'x' represent the score on the final test.
(2x + 77.77 + 86.86 + 72.72 + 63.63 + 90.90)/6 = 80
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click here to see the equation solved for x
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x = 44.06
Amelia needs to score 44.06 on her final.