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Norgur@fedia.io ⁨1⁩ ⁨month⁩ ago

Every offer lists how much per kg that offer is. So I do not need any calculations to see which offer is cheaper at all. Why would the price per kilo become useless of I only buy half a Kilo?

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Serinus@lemmy.world ⁨1⁩ ⁨month⁩ ago
Because one is on sale, and they didn’t update the sale price. Or, alternatively, because you don’t want to be an idiot that can’t do basic math.

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HopFlop@discuss.tchncs.de ⁨1⁩ ⁨month⁩ ago
You don’t know how much you need to pay for it if you only know the price of 1kg but you buy half a kilo.

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- Norgur@fedia.io ⁨1⁩ ⁨month⁩ ago
  Erm... How the frick do you think our price tags look like?
  
  https://www.derwesten.de/wp-content/uploads/sites/8/2022/06/2013-12-21-Rewe-cut.jpg?w=1200
  
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  - HopFlop@discuss.tchncs.de ⁨1⁩ ⁨month⁩ ago
    Rewe also sells products by weight (mainly unpackaged fruits and vegetables).
    
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- Agrivar@lemmy.world ⁨1⁩ ⁨month⁩ ago
  …do you not understand how basic math works?
  
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  - HopFlop@discuss.tchncs.de ⁨1⁩ ⁨month⁩ ago
    
    …do you not understand how basic math works?
    
    I do, actually. My whole point was that you need basic maths in your everyday life even though you have a calculator on your phone. You jumped right into the 6th comment in this thread without reading what this is about, didn’t you?
    
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    Norgur@fedia.io ⁨1⁩ ⁨month⁩ ago
    Can we just fir half a second point out that the original comment was that the use of the real Pi (3.14...) is a great opportunity to teach pupils how to use a calculator for numbers like Pi.
    
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