Or you could look at it like this:
You have 1 eighth,
Multiply this by 2 and what do you get? 2 eighths, or 2/8, which can be simplified down to 1/4, which equals 0.25.
Or you could look at it like this:
You have 1 eighth,
Multiply this by 2 and what do you get? 2 eighths, or 2/8, which can be simplified down to 1/4, which equals 0.25.