Answer:
2x+20
Step-by-step explanation:
You take 2x because twice a number of x. Then you take 20 cause you have more.
The answer for your problem is 1/3

This may look scary, but all you have to do is distribute, first:

Now it's much easier (remember to distribute the negative):

So, the entire thing simplifies to
-2c. NEAT!
Answer: C. 150 km²
<u>Step-by-step explanation:</u>
Use similar triangle proportion to find x:

B because if u multiply it that is what u will get so just multiply it