A store sells 12-packs of ballpoint pens for $1.09 each and composition books for $2.79 each. Cindy buys m packs of ballpoint pe
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Answer:
Step-by-step explanation:
Geometric formula sequence:
(where is the first term of the sequence and
is the common ratio)
To find the common ratio, divide one of the terms by the previous term:
From inspection,
Therefore,