SOLUTION: You have scored 75,79,78,and 78 in four test out of five tests. You want to score an overall b grade (80). You have the fifth test to pull up your score. How much minimum should yo

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Question 270743: You have scored 75,79,78,and 78 in four test out of five tests. You want to score an overall b grade (80). You have the fifth test to pull up your score. How much minimum should you score in the fifth test so that you raise your average to 80(get an overall B grade).
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
You have scored 75,79,78,and 78 in four test out of five tests. You want to score an overall b grade (80). You have the fifth test to pull up your score. How much minimum should you score in the fifth test so that you raise your average to 80(get an overall B grade).
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To average 80 in 5 tests you need to score 500 points.
You have scored 310 points.
You need a 90 on the 5th test.
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Cheers,
Stan H.