1. Suppose it takes 1.46 U.S. dollars today to purchase one British pound today.

1. Suppose it takes 1.46 U.S. dollars today to purchase one British pound today. Currency forecasters predict that the U.S. dollar will depreciate by 17% against the pound over the next 30 days. What is the U.S. dollar/Euro exchange rate in 30 days? 
2. Suppose the exchange rate between U.S. dollars and Swiss francs is SF 1.2691 = $1.00, and the exchange rate between the U.S. dollar and the euro is $1.00 = 0.9076 euros. What is the cross-rate of euros to Swiss francs (Euro/SF)? 
3. Suppose one U.S. dollar can purchase 163 yen today. If the yen depreciates by 4% tomorrow, how many yen could one U.S. dollar buy tomorrow?  
4. Suppose the exchange rate between U.S. dollars and Swiss francs is SF 1.0423 = $1.00,
and the exchange rate between the U.S. dollar and the euro is $1.00 = 1.0793 euros. What is the cross-rate of Swiss francs to euros (SF/Euro)? 

5. You can exchange $1 for either C$1.3872 or ¥133.99. What
is the cross rate between the Japanese yen and the Canadian dollar? That is, solve for ¥ per C$.  

6. Suppose it takes 1.23 U.S. dollars today to purchase one British pound today. Currency forecasters predict that the U.S. dollar will depreciate by 12% against the pound over the next 30 days. What is the Euro/US Dollar exchange rate in 30 days?That is, how many euros can 1 dollar buy in 30 days? 

7. In New York, you can exchange $1 for €0.8789 or £0.6632. Suppose that, in Berlin, £1 costs €1.188. How much profit can you earn on $31,428 using triangle arbitrage?