SOLUTION: If a= -5, Tn= 22, and Sn= 85, determine n.

Question 937479: If a= -5, Tn= 22, and Sn= 85, determine n.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

If a= -5, Tn= 22, and Sn= 85, determine n.



; ; 

Number of terms, or  

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