I'll Tell You How This Can Be True.

I've seen this "paradox" on the web many times now in more than one language and I've yet to see anyone posting the solution. The fact that it keeps getting reposted leads me to believe that people actually think this is a genuine paradox when in fact it doesn't take more than grade 8 math to figure out what is "wrong" (although, admittedly, it isn't obvious at first glance).

( The Solution )