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OpenStudy (anonymous):
An arithmetic student needs at least a 77% average to receive pass-fail credit for the course. If he scored 85%, 75%, and 84% on the first three exams, what is the lowest score he can get on the fourth exam to receive credit for the course?
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OpenStudy (anonymous):
suppose x%. so,your problem is (85+75+84+x)/4=77
OpenStudy (anonymous):
thank you ;))
OpenStudy (anonymous):
welcome :)
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