A ratio compares the frequency of one value for a variable with another value for the variable. The first value identified in a ratio must be to the left of the colon (:) and the second value must be to the right of the colon (1st value : 2nd value).
The Canadian two-dollar coin, commonly called the toonie, is the most valuable of the frequently used Canadian coins. It was introduced on February 19, 1996, by Public Works minister Diane Marleau.
The dollar has been the currency of Canada since 1858. A number of central banks keep Canadian dollars as a reserve currency. It's known locally as a buck or a loonie, with the two-dollar coin known as a toonie. Exchange Rate History For Converting United States Dollar (USD) to Canadian Dollar (CAD)