Respuesta :

Answer:

12 units

Step-by-step explanation:

AB/BD =AC/AE

8/18 = AC/AC + CE

8/10 = AC / AC+ 15

0.44 * AC + 12 = AC

6.67 = AC(1 - 0.44)

6.67 = AC (0.56)

11.91 = AC

Means

AC = 12