Answer:
100-29=71
71-23=48
48/2=24
Therefore, 24-4=20
answer =20
Step-by-step explanation:
twenty teachers are the one attending the the lectures
8(p-2) = 32
8p - 16 = 32
+16 on each side
8p= 48
Divide by 8 on each side
P= 6
The 3rd option is correct
Line that never touch each other
