Respuesta :

Answer:

C

Step-by-step explanation:

If AD is 20 then BC is also 20. Another way to solve it too is by AD is 20 and 3x+5 = 20 so do 20-5, which is 15 and 15 divided by 3 is 5 which is the amount X is.

heatherfalor3456

Answer:

I am guessing C.

Step-by-step explanation:

I hope this helps!