Posted by **John** on Thursday, August 30, 2012 at 2:11pm.

Isabella is hoping to get an A on her college algebra course. With just the final exam left to take, she currently has an average of 92 on her exercises. The quizzes count for 40%, exercises count for30% of the class grade. What is the minimal grade that Isabella must have on the final exam to obtain an A in the class (90% or higher)

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