Under the gold standard, the price of an ounce of gold in U.S. dollars was $32.50, while the price of that same ounce in British pounds was 2.7543. What would be the exchange rate between the dollar and the pound if the U.S. dollar price had been $45.60 per ounce and the British pound raised 10%?

In December 1994, the government of Mexico officially changed the value of the Mexican peso from 5.5 pesos per dollar to 3.2 pesos per dollar. What was the percentage change in its value?