Ha, you probably have more chances of being hit by lightning than you do of winning that bike. You bought a quarter of the tickets? And then you bought a third of the tickets off her? So what fraction ...

NARRATION:Back in the deepest, darkest depths of time, there lived a great mathemagician called Hypatia. Numbers fell under her spell one by one. With them, Hypatia could do anything. Now Hypatia is ...