Exchange Rates

Question

In 2003, the exchange rate between the United States and Canada was about 3 Canadian dollars to 2 U.S. dollars. Cindy had 78 U.S. dollars to exchange when she visited Canada. How many Canadian dollars could she get in exchange?

Answer 1

Use a proportion:

 

3 / 2 = x / 78

78(3) / 2 = x

117 = x

 

She gets 117 Canadian dollars.