Answer:
Step-by-step explanation:
would it be 39.8% which simplifies to 40%
cause i did 40 - 0.2
7.8456 x 10^(-4)
this means you move the decimal place to the left 4 places to get the actual value
If I've read this correctly, it looks like this.

If that is correct, then the first step is to put the top part of the denominator over 3x
The next part is to flip a three tier fraction. I'm afraid I have to show what happens. My latex is not that strong.
What you get is

This is just about your final answer. You could write it as

I tried every combination. there seems to be something wrong with the informations you gave.
the second equation contains errors, and none of these 4 points can be solutions to the first equation alone