I encourage you to answer the questions in my prior post yourself, gotigers. Consider the lines of reasoning Boris put forward, and put it in your own words.

The reason I chose that approach (as opposed to answering the Q's myself) is that with only 2 numbers to go on, it's hard to gather much. I want to understand what YOU gather from the numbers, as that will give me a better understanding of where you're coming from and what you REALLY want to know. Also, I personally feel that once you know the kind of questions to be asking yourself, you will really start to learn a concept to its fullest.

@ bikes: I keep reading your post and wondering if your reasoning is: At 13/9, you might as well be 13/13.