SOLUTION: A student scores 72, 74, 82 and 81 on the first four tests. What score does the student need on the fifth test to have an average test score of 76
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Question 1017123: A student scores 72, 74, 82 and 81 on the first four tests. What score does the student need on the fifth test to have an average test score of 76 Answer by macston(5194) (Show Source):
You can put this solution on YOUR website! .
To average 76 on 5 tests, sum of scores must be 5(76)=380.
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72+74+82+81=309 . Current sum of scores is 309
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380-309=71
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ANSWER: The student needs 71 on the fifth test to average 76.
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