Multiple Choice
One model for the spread of an epidemic is that the rate of spread is jointly proportional to the number of infected people and the number of uninfected people.In an isolated town of 2000 inhabitants, 110 people have a disease at the beginning of the week and 1100 have it at the end of the week.How long does it take for 70% of the population to be infected?
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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