[FinA] Dan is in math class where they are learning that ½ i…

[FinA] Dаn is in mаth clаss where they are learning that ½ is equal tо 0.5. They are alsо taught that 0.5 is equal tо 50%. Later, when Dan sees ½ he says, "That's 50%!" Which of the following did Dan demonstrate?