If population of certain city increases at the rate of 5%. If population in 1981 was 185220, then population in 1978 was?	Choose the correct choice from the following answers:
A) 120000
B) 160000
C) 187899
D) 178968
E) 789698
X * (105/100) * (105/100) * (105/100) = 185220   X = 185220/1.157625= 
<gadget id="calculator">185220/1.157625</gadget>
<output>160_000</output>
160000   Answer:160000
<result>B</result>
If population of certain city increases at the rate of 5%. If population in 1981 was 185220, then population in 1978 was?