A student has taken five 100-point exams so far this term, and earned scores of 75, 76, 77, 88, and 85. What score must the student receive on the sixth and final exam in order to achieve an average exam score of 82 for the six exams?
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Answer:
317
Step-by-step explanation:
What score on the next test will raise the student's average to 80? A student in ... take 2 points from 82 and add them to 78 to get 82-2=80 and 78+2=80. now we have 80, ... we need 5 80s to have an 80 average, but 77 is 3 points short. on the next ... The student's scores so far add up to 78+83+74+82 = 317.
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