I think the problem is more of why n = 5 is not applicable.
I am still not sure. I am unable to grasp the intuition behind this.
Why does n = 5 not work? Because we can find 5% of 20 - that’s an integer.
Is this possible for n = 7 or n = 11? That’s what the fact is hinting at.
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i think that explains, yes. thank you!