Subtract the number of positive multiples of $3$ that are less than $20$ from the number of positive multiples of $6$ that are less than $20$.
Question:
Subtract the number of positive multiples of $3$ that are less than $20$ from the number of positive multiples of $6$ that are less than $20$.
Answer:
Let's think step by step.

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Subtract the number of positive multiples of $3$ that are less than $20$ from the number of positive multiples of $6$ that are less than $20$.
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