Respuesta :

18/12 = x/8

12x = 8 * 18

x = 8 * 1.5

x = 12

Answer: C. 12

Hey...here is the answer to ur question.....
Given:PQ||BC
AP=8
AQ=11
QC=18
PB=x
To find :x
Solution: since,PQ||BC
=>AP/PB=AQ/QC (B.P.T)
=>8/x=12/18
=>144=12x
=>12=x
Hope This helps u......