• ByteJunk@lemmy.world
      link
      fedilink
      arrow-up
      4
      ·
      edit-2
      16 hours ago

      So the price of unleaded is 2.74 + 9/10 of a cent?

      Isnt that just 2.749? Why show it as a fraction?

      Sorry, I’m really confused.

      Edit: Oh, is this to accommodate other fractions like 3/4 or 7/9?

      • NateNate60@lemmy.world
        link
        fedilink
        arrow-up
        6
        ·
        11 hours ago

        The actual reason: Gasoline prices in the United States were customarily displayed in cents per US gallon (about 3.8 litres). This means the sign originally read something like “15”, which meant $0.15 per gallon. Since the US has also a long history of pricing things in 9 or 99 (due to the psychological effect of such pricing), many service stations appended the extra 9/10 at the end to indicate 9/10 of 1 cent, which was a more meaningful price difference when the price of fuel was 15 or 25 cents and not two or three dollars. Legally, although the smallest cash denomination in the US is one cent, the US dollar can still be nominally divided into 1,000 “mills” for accounting purposes.

        Inflation has caused the price of gasoline to rise, and when it passed $1 per gallon, service stations continued the same pricing traditions by just adding a third digit to the number. When digital price displays came on the scene, many of them continued to just display a three-digit number with the traditional 9/10 at the end, i.e. 123 9/10

        New displays seem to have gotten rid of this tradition and just display a three-digit decimal number, i.e. 3.45 or 4.56.

      • ayyy@sh.itjust.works
        link
        fedilink
        arrow-up
        7
        ·
        14 hours ago

        You understand perfectly. It’s fucking stupid. No, the fraction never changes. It’s just a culturally and legally accepted price scam, one of many that only exist in the land of freedom. The price listed is literally never the price you pay in the USA.

        • Ziglin (it/they)@lemmy.world
          link
          fedilink
          English
          arrow-up
          4
          ·
          edit-2
          13 hours ago

          The 9/10 of a cent isn’t unique to the US. But not having the tax included is kind of weird.

          Edit: tax not TeX lol

      • itslilith
        link
        fedilink
        arrow-up
        11
        ·
        16 hours ago

        Not sure why they show it like that, it might be a design choice. Where I live, it’s often put as decimals, with the last digit smaller than the others:

        • ByteJunk@lemmy.world
          link
          fedilink
          arrow-up
          2
          ·
          3 hours ago

          Ah yes, the “round to 9” method. That one is a worldwide plague.

          I’ve seen displays with the lower sized digits, but usually it’s the cents: €149.99

          Adding fractions of a cent to a price display is just so… avaricious. (I’m sure there’s a more common word for this but I could find it)