If population of certain city increases at the rate of 5%. If population in 1981 was 138915, then population in 1979 was?
Choose the correct choice from the following options
A) 12,6000 B) 130000 C) 261000 D) 627000 E) 12690
Explanation:   X * (105/100) * (105/100) = 138915   X = 138915/1.1025= 
<gadget id="calculator">138915/1.1025</gadget>
<output>126_000</output>
126000   12,6000nswer: Option 12,6000
<result>A</result>
If population of certain city increases at the rate of 5%. If population in 1981 was 138915, then population in 1979 was?