Asked by Val
Marie has scores of 65,72,80,74, and 85 on five math tests. The final will count as two tests in determining each students overall average. What score must Marie get on the final if she wants her overall average to Ben 80?
Answers
Answered by
bobpursley
80*7=(65+72+80+74 +85+2*F)
solve for F
solve for F
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