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Mathematics 16 Online
OpenStudy (anonymous):

One of Mr. C's students scored a 70, 75, 80, & 62 on the first five exams. What does this student need on the fifth and final exam to earn a 75% in the class?

OpenStudy (anonymous):

There may be a simpler way to do this, but I did guess and check. I got a score of 88 on the last exam.

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