How many numbers are in the list $$ 1, 4, 7, \ldots, 2005, 2008 ?$$
Question:
How many numbers are in the list $$ 1, 4, 7, \ldots, 2005, 2008 ?$$
Answer:
Let's think step by step.

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How many numbers are in the list $$ 1, 4, 7, \ldots, 2005, 2008 ?$$
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