How do you convert the following phrases into math expressions, and then evaluate the expressions: 5 out of 9?
As a fraction this is
As a decimal this is
As a ratio this is
The wording 'out of' means that the 5 is part of the 9, where 9 represents the whole (all of it)
So as a fraction we have:
and as a decimal this is
where the bar over the last 5 means that it is repeated for ever.
As a ratio we have a relationship or proportion between the 5 and whatever is left after extracting the 5. Which is
So as a ratio we have