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

Answer:
1/2
Step-by-step explanation:
30s = 1/4
30s=1/4
30s=1/4
Answer:
it's scaled down, so the answer is 1/2
Step-by-step explanation:
the scaled triangle is half the size of the original
Answer:
25x-10y-30
Step-by-step explanation:
5(5x - 2y - 6)=(5*5x)(-5*2y)(-5*6)=25x-10y-30