SOLUTION: how many terms are needed to make the sum of 4+17/4+9/2+... first exceed 80?

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Question 750669: how many terms are needed to make the sum of 4+17/4+9/2+... first exceed 80?
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

the sum of 4+17/4+9/2+...
nth term formula is:

to be greater then , find for what





check: if




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