Step-by-step explanation:
Let x be the number. If the question is 2x-8, the answer is 10. If the question is 8-2x, the answer is -2. The answer is probably 10, though. The larger number is usually given first.
Well,
We can read 9.33 as 9 and 33 hundredths.
In fraction form that would be:

That is already simplest form.
If you meant

, then it would be: