SOLUTION: Jim has gotten scores of 88 and 69 on his first two test. What score must he get on his thrid test to keep on average of 85 or greater?

Question 330938: Jim has gotten scores of 88 and 69 on his first two test. What score must he get on his thrid test to keep on average of 85 or greater?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Jim has gotten scores of 88 and 69 on his first two tests. What score must he get on his third test to keep an average of 85 or greater?
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Let the 3rd test score be "x":
Equation:
(88+69+x)/3 >= 85
157+x >= 260
x >= 103
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Note: He cannot reach an average of 85.
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Cheers,
Stan H.
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