Answer:
.44444444
Step-by-step explanation:
πr²=full circumference
18/π(9)²=x/2π
200 + 100 + 150 + 200 +150 = 800 m in total
8 min in total
you are going 100 m a minute or 6000 m an hour
I have done this question yesterday it is 1 and 3