Question

The population of a town increased by 10% in 2011. If it was 75900 in the beginning of 2012, what was it in the beginning of 2011.

Answer 1

beginning of population then rate is decreased=10%
population of increased(rate)=10%
population of beginning of 2011=A=p(1-r/100)^t
A=75900(1-10/100)^1
A=75900(90/100)
A=(759×90)people
A=69310people