A sign posted by management at a McDonald's in Chicago stated "We Do Not Accept No Bills Over $20.

Photo courtesy: Cassie Pherson

Correct me if I'm wrong.  But there are 2 things wrong with this sign.

#1 We are taught not to use double negatives in a sentence around 6th grade.  "We do NOT accept NO bills over $20" actually means that we do in fact accept them.  Two negatives make a positive.

#2 Isn't it illegal to deny any form of US legal tender?

Again, I could be wrong about one or both of these issues.  Thoughts?

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