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Ooooh, a raffle!

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 of all of the tickets do you have?

She bought a quarter of the tickets and you bought a third of those.

So you multiply the two numerators together and then multiply the two denominators together.

So you have one twelfth of all the tickets.

Whereas you had a quarter of the tickets, but you sold a third of them so you have two thirds of a quarter of the tickets left, that's two twelfths.

Well, what are the chances!