Question 965058
You earned the following marks (all equally weighted) on your first five tests: 28,36,38,41, and 44. What mark would you have to get on the next test in order to bring your test mean average up to 80%?
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Note:: Your scores are 52 + 44 + 42 + 39 = 177 points short of
an average of 80%.  You could not possible make up that difference
on your next test.
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Ans: You can't.
Cheers,
Stan H.