Pounds per Liter
An American tourist misreads a British petrol price, ignoring the currency and volume units.
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2018-12-15-pounds-per-liter/ (CC BY-NC 4.0)Transcript
[Sign: PETROL 1.29] A: "Gas is so cheap here!" B: "That's pounds per liter. It's over $6 per gallon."
A: "Uh... you tripping? The sign says 1.29." B: "I cannot believe the innumeracy of your population." A: "You say 1.29 > 6, and I'm the innumerate one?"