I have actually told this one at a party (well, not exactly a rager) "Two 12 Inch Pizzas have less Pizza than one 18 inch pizza." and we did the math to prove

I have actually told this one at a party (well, not exactly a rager) "Two 12 Inch Pizzas have less Pizza than one 18 inch pizza." and we did the math to prove it to ourselves. Blew our minds... an actual valid use for middle school math.