SOLUTION: Tom has taken 5 of the 8 equally weighted tests in his
U.S. History class this semester, and he has an average
score of exactly 78.0 points. How many points does he
need to earn
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Question 368607: Tom has taken 5 of the 8 equally weighted tests in his
U.S. History class this semester, and he has an average
score of exactly 78.0 points. How many points does he
need to earn on the 6th test to bring his average score
up to exactly 80.0 points?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
[(5 * 78) + x] / 6 = 80
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