Answer:
c. 3/5
Step-by-step explanation:
Note: Options to this question is attached as picture below
Real exchange rate is given as: Nominal Exchange rate * Price of domestic good/Price of foreign good
1.5 = Nominal Exchange rate * 50/20
Nominal Exchange rate = 1.5 * 20/50
Nominal Exchange rate = 30/50
Nominal Exchange rate = 3/5