There was this shop and save ad on the television the other day that got me thinking. On the ad, it said that if you buy 3 tins of coffee you will only pay for two. To me, this is a great deal. My wife and I drink a fair amount of coffee, and have no plans on quitting anytime soon, so three tins of coffee are definitely not going to go to waste. Now, usually, we would go through a tin a week. That means if we bought three tins, we would get free coffee for our third week.
I took this further and worked out that If I bought 52 tins of coffee (that is, a years supply), I would have free coffee for seventeen weeks of the year. So, you know what I did? I went ahead and bought 52 tins of coffee. Obviously my wife has no understanding of maths, or she wouldn’t have given me such a dirty look as I started unloading the car.
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