Answer:
12.5
Step-by-step explanation:
So this is basically a rectangle. You make the 2 triangles a square.
2.5x2.5=6.25
6.25x2=12.5
I’m not sure what you are trying to say in this problem?
C, if you show a picture maybe I can answer it correctly
If your trying to solve for x it’s 40, x=40
2 times 1/2x =2x20
x=2x20
x=40