how to solve this without excel?

Use the information below to answer the questions that follow. CURRENCY PER U.S. U.K. Pound () Canada dollar U.S. $ EQUIVALENT 1.5664 1.0201 6384 9803 a. Which would you rather have, $100 or $100? b. Which would you rather have. $100 Canadian or 100? c. What is the cross-rate for Canadian dollars in terms of British pounds? (Do not include the Canadian dollar sign (C$). Do not round intermediate calculations and round your answer to 4 decimal places, e.g., 32.1616.) d. What is the cross-rate for British pounds in terms of Canadian dollars? (Do not include the pound sign ($). Do not round intermediate calculations and round your answer to 4 decimal places, e.g., 32.1616.) a. Rather have b. Rather have C. Cross-rate CS d. Cross-rate f /CS