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A friend has a \( 82 \% \) average before the fin...

 A friend has a \( 82 \% \) average before the final exam for a course. That score includes everything but  the final, which counts for \( 30 \% \) of the course grade.  What is the best course grade your friend can earn?  What is the minimum score would your friend would need on the final to earn a \( 75 \% \) for the course?  Give answers accurate to at least one decimal place. 


best grade = 87.4%


minimum score is 58.7%

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