SOLUTION: How many terms are there in the following sequence 1,8,15,22,.....,113?

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Question 178084: How many terms are there in the following sequence 1,8,15,22,.....,113?
Answer by josmiceli(19441) About Me  (Show Source):
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The n+ 1 term is 1+%2B+7n
The nth term is 1+%2B+7n+-+7+=+7n+-+6
7n+-+6+=+113
7n+=+119
n+=+17
There are 17 terms