SOLUTION: Kathy has a 90 average on her first four tests. What does Kathy need to score on the next test to have exactly a 92 average for the five tests?
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Question 572777: Kathy has a 90 average on her first four tests. What does Kathy need to score on the next test to have exactly a 92 average for the five tests? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Kathy has a 90 average on her first four tests. What does Kathy need to score on the next test to have exactly a 92 average for the five tests?
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(4*90+x)/5 = 92
360 + x = 460
x = 100
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Cheers,
Stan H.
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