Question 809339: You have a mean score of 84 after taking five 100-point tests. What do you need to score on the sixth 100-point test to have a mean score of 95?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! (84*5 + x)/6 = 95
420 + x = 95*6
420 + x = 570
x = 150
Answer:
Trick question:
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You need to score 150 on the 6th test, but that's impossible because the maximum score on the 6th test is 100, so there's no way you can bring your average to 95 after the 6th test!
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