To get a grade of c in your course you must average at least 75% on 4 exams. you have taken the first three exams and gotten sco res of 68,78, and 81. what must you score on the last exam to get a c or better
1 answer:
The total of the scores on the 4 exams must be at least 75 x 4 = 300. The total scores in the first 3 exams is 68 + 78 + 81 = 227. Therefore the minimum score needed on the last exam is 300 - 227 = 73. The answer is a score of at least 73.
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