SOLUTION: In five long tests, Anna got an average of 90. If her grades were 92,86, and 82, with the last two exams having the same score, what did she get in her last exam?

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Question 455771: In five long tests, Anna got an average of 90.
If her grades were 92,86, and 82,
with the last two exams having the same score,
what did she get in her last exam?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
In five long tests, Anna got an average of 90.
If her grades were 92,86, and 82,
with the last two exams having the same score,
what did she get in her last exam?
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Solve: [92+86+82+x + x]/5 = 90
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[260+2x] = 450
2x = 190
x = 95
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Cheers,
Stan H.