I heard this on a gameshow: "Answer quickly, what's half of 99?" - Allegedly most people say 44.5. Why? I said 49.5. I halve 100 then take another half off. Or you could halve 90 then add half of 9. Either way, how can people make this mistake?
How do these people get by? I wonder if they all get short changed? On= ly the other week Aldi tried to give me =A310 less change than I should = have got - although he did seem a bit confused, he was new there.
I'm not pedantic, I call them all maths.
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Yorkshire man takes his cat to the vet. Yorkshireman: "Ayup, lad, I need to talk to thee about me cat." Vet: "Is it a tom?" Yorkshireman: "Nay, I've browt it wi' us."
I just check my change, but I use self service anyway as it's faster, bu= t not all supermarkets have those. My Asda does, but Morrisons only hav= e them for people with mini baskets, and Aldi and Lidl don't have them a= t all.
Or more likely the checkout worker. It seems to be a standard thing, no= t noticing you've given them a =A320. Some people actually say 20 out l= oud when they hand one over.
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Police arrested two kids yesterday, one was drinking battery acid, and t= he other was eating fireworks. They charged one and let the other one of= f.
I actually add up like that sometimes. I'll come to an answer of twelvety three. It's interesting that some people immediately know what number that is and some don't.
Actually, I would start by "promoting" 99 to 100, divide by 2 (easy here), and correct for the "promotion". Essentially 99 / 2 = (100 / 2) - (1 / 2). It's the "distributive property", but much less complicated.
BTW, "mathematics" is NOT plural. Consider that you don't go into a store and say "one mathematic, please".
Essentially I applied the "distributive property of multiplication over addition" rule (but it was much easier, since I wasn't explaining it too). I separated 99 into 100 and -1, numbers easy to divide by 2, and then put them back together.
BTW, "where's the 44.5?" reminded me of the 1980's Burger King commercials where someone was saying "Where's the beef?".
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