Question

The population of a town increases 8% annually. If its present population is 142560, what was it a year ago?

Answer 1

Let us assume that the population is x
So $x+8\%ofx=142,560x+\frac{8}{100}x=142,560\frac{108}{100}x=142,560x=14,2560\times \frac{100}{108}x=13,200$