SOLUTION: To package and ship an item, it costs $6.25 for the first pound and $1.25 for each additional pound. Find the 9th term?

SOLUTION: To package and ship an item, it costs $6.25 for the first pound and $1.25 for each additional pound. Find the 9th term?

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Question 996879: To package and ship an item, it costs $6.25 for the first pound and $1.25 for each additional pound. Find the 9th term?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Here the sequence is
a-sub-n = 6.25 + 1.25(n-1)
so that
a-sub-9 = 6.25 + 1.25(9-1) = 6.25 + 10
a-sub-9 = 16.25
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