Thursday, 24 October 2013

awful mistake with my "enigma"

     I suppose that those of yoy who DO have a mathematical mind have already noticed that my way of setting out the problem was wrong ( needless to say that I haven't got a mathematical mind). I'm very sorry. Let's begin again: The pen cost 1,00 E more than the paper and the total amount was 1,10 €. How much did the pen cost?

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