Friday Freebie: Crest Needs to do the Math

In an ad for Crest Tartar control, they show twin girls who are exactly alike—except one has tartar and the other doesn't. The ad asks: "how can this happen?" The narrator goes on to say, "Because MORE than 1 in 2 people have tartar."

Okay, now y'all know I'm no queen of math, but in a group of TWO people, it seems saying "more than one" is to say "both" which is to say "all of them."  I mean, what is Crest saying? One woman is pregnant, which is why it's "More than 1" but "less than two?"

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