Answer:
200,000
Step-by-step explanation:
I think this is the answer
Answer:
C.) The amount of money she saved before attending lessons.
Answer:
C. 
Step-by-step explanation:
= Diameter of a red blood cell = 
= Diameter of a whooping cough virus = 
Ratio of the diameter of the red blood cell to the diameter of the whooping cough virus

The required ratio is
.