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.
Though Hodgson introduced Silly Putty at the International Toy Fair in New York in February of 1950, it was not until several months later when an article appeared in The New Yorker magazine that sales took off. Initially, its market as a novelty item was 80% adult.