Answer:
x =
I'm not great at explaining answers like this. Please ask a teacher etc. for a better explanation!
<u>Hope this helps and have a nice day!</u>
The answer is C. Because the side triangles inner corner is 51 so the inner corner of the big train fled are 129. 129 + 20 equals 149 and 180 - 149 equals 31.
$125 because when you do $500x0.75 it equals $375. $500-375=$125