It is A. We have a ratio of
900 workers : 3.2×10⁵
Dividing by 9×10² becomes
1 worker :

×10³
3.2/9 is just 0.36 rounded so it is
1 worker : 0.36×10³
or A
Answer:
t = 5 years
Step-by-step explanation:
I = $ 2000
P = $ 5000
r = 8%

The answer would be 32 miles (I think) if you set up a proportion you should get this answer.