In Australia torn money are valued by the percentage of the banknote remaining

Interesting Fact About Money: 

Did you know? In Australia torn money are valued by the percentage of the banknote remaining. Half of a $20 bill is valued at $10. Banknotes must be greater than 20% of the original size to have any value. If a banknote is 80% or greater in size it is worth the full value.

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