SOLUTION: how many terms are there in the following sequence? 1,8,15,22....,113? I'm not sure how to set this up at all?

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Question 93628This question is from textbook
: how many terms are there in the following sequence?
1,8,15,22....,113?
I'm not sure how to set this up at all? This question is from textbook

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
(112-1)/7=111/7=16+1=17 numbers in this sequence.
proof:1,8,15,22,29,36,43,50,57,64,71,78,85,92,99,106,113