Unit rates and unit ratios. A unit rate is a ratio that has a denominator of 1. A unit rate is also called a unit ratio. (They mean the same thing.). $\frac{5}{4}$ and $3:8$ and $40\mbox{ to }10$ are ratios, but they are not unit ratios. $\frac{1.25}{1}$ and $0.375:1$ and $4\mbox{ to }1$ are unit ratios. unit rate is also called a unit ratio. (They mean the same thing.). $\frac{5}{4}$ and $3:8$ and $40\mbox{ to }10$ are ratios, but they are not unit ratios.
I found the following references to Coca-Cola Zero launching in the US in 2005: 1  Associated Press March 21, 2005 announcement that the product would launch in June - http://www.nbcnews.com/id/725792...  Case study by ATTIK, which provided worldwide branding services, citing a 2005 launch - ATTIK.
The company is best known for its flagship product Coca-Cola, invented by pharmacist John Stith Pemberton in 1886. The Coca-Cola formula and brand was bought in 1889 by Asa Candler who incorporated The Coca-Cola Company in 1892.he company operates a franchised distribution system dating from 1889 where The Coca-Cola Company only produces syrup concentrate which is then sold to various bottlers throughout the world who hold an exclusive territory.