Answer: C: Euros
Step-by-step explanation: We know it is in euros because Germany has not branched off of the EU (European Union), it still uses euros, the currency of all of the countries in the EU.
X=1 & Y=12
X=2 & Y=20
X=3 & Y=30
You divide then you square root the answer. once you get the answer you squate root again giving you 1.2