In Ireland, a Pint of Beer Costs 4 Irish Punts

Multiple Choice

In Ireland, a pint of beer costs 4 Irish punts. In Australia, a pint of beer costs 6 Australian dollars. If the exchange rate is 0.6 punts per Australian dollar, what is the real exchange rate?

A) 0.8 pints of Irish beer per pint of Australian beer
B) 0.9 pints of Irish beer per pint of Australian beer
C) 1.11 pints of Irish beer per pint of Australian beer
D) 1.25 pints of Irish beer per pint of Australian beer