Z would be the answer though it was very hard to see the picture.
Translating the half to symbols would be 1/2. Therefore, your answer is 1/2(n)
Hope this helps!
4x - 8 = 3x + 12
x - 8 = 12
x= 20
Answer: 421.20 km
Step-by-step explanation:

421.20km
Answer:
4
Step-by-step explanation:
t is replaced by 4 and t = hours