DAY 11

Comment

Focus on the middle column: 30 things + 40 things = 1 other thing + 10 things.
So 1 other thing is worth 60 things ...

Answer

For example, the numbers could stand for minutes and seconds, or hours and minutes.

Readers' methods

Lachlan L, Toulouse:
It is correct because 2.34 and 1.45 are minutes and seconds.

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