For how many ne {1,2,., 490} is n a multiple of one or more of 9, 8, or 7? ...

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Discrete Math

**Question:**

For how many \( n \in \{1, 2, \ldots, 490\} \) is \( n \) a multiple of one or more of 9, 8, or 7?

**Answer:**

179

**Hint:**

To find out how many numbers are divisible by 9 and 7, for example, take 490/(9.7) and round down.
Transcribed Image Text:**Question:** For how many \( n \in \{1, 2, \ldots, 490\} \) is \( n \) a multiple of one or more of 9, 8, or 7? **Answer:** 179 **Hint:** To find out how many numbers are divisible by 9 and 7, for example, take 490/(9.7) and round down.
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