SOLUTION: Average- Exam 1+exam 2+ exam 3/3 Unfortunately, Francis can't remember her third exam, but she knows the other two were 84 and 92. She also knows that her exam average is 86. Show
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Question 920996: Average- Exam 1+exam 2+ exam 3/3 Unfortunately, Francis can't remember her third exam, but she knows the other two were 84 and 92. She also knows that her exam average is 86. Show the substitution with the formula and algebraic work to find her missing score. I don't know how to find the third score. Answer by ewatrrr(24785) (Show Source):
