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Plant-Based Mince Now 29% Cheaper Than Beef at Tesco as Meat Prices Climb (vegconomist.com)
submitted 6 months ago by to c/climate@slrpnk.net
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[–] 8 points 6 months ago* (last edited 6 months ago) (3 children)

If the meatless option is 29% cheaper, the meat option is .29/(1-.29) = 41% more expensive, not 29%. Meatballs in the article are .41/(1-.41) = 69% more expensive than plantballs, which is close to your target number.

I remember the days when a veggie cheeseburger was a grilled cheese sandwich. Progress.

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  • [–] 3 points 6 months ago (2 children)

    this math hurt my head, but i thank you

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  • [–] 3 points 6 months ago

    Never too late to get better at anything. I'll give it my best shot, but if it still doesn't make sense, ask an LLM to explain anything that doesn't make sense, and keep digging, and you'll know it inside and out.

    Basically, if the price was p currency units and is now 29% off, the price is now p-.29p = (1-.29)p currency units (by the distributive property). The old price is .29p currency units higher than the new price, and as a fraction of the new price, that is .29p/[(1-.29)p] higher. The p's cancel out, so this fraction does not depend on the starting price. Write that fraction as a percent (per 100), and you get your answer.

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