SOLUTION: Brian has an average of 86 in 4 of his math tests. If he would like to get an average of 87. How much does he need to score in his 5th final test?
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Question 403042: Brian has an average of 86 in 4 of his math tests. If he would like to get an average of 87. How much does he need to score in his 5th final test?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
4(86) + x = 5(87)
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