Answer:
P = 20x + 6
Step-by-step explanation:
Perimeter formula:
P = 2(l + w)
Given:
l = 8x - 1
w = 2x + 4
Work:
P = 2(8x - 1 + 2x + 4)
P = 2(10x + 3)
B is correct i think
Answer: i think it is (18 km per litre)
the third option
x= 13