If population of certain city increases at the rate of 2%. If population in 1981 was 138915, then population in 1978 was?	Choose the correct option:  A) 12,0000  B) 130000  C) 261000  D) 130903  E) 12690
Explanation:   X * (102/100) * (102/100) * (102/100) = 138915   X = 138915/1.061208   X = 130902.70=130903   Answer: Option 130903
<result>D</result>
If population of certain city increases at the rate of 2%. If population in 1981 was 138915, then population in 1978 was?