F the annuaifl increase in the population of a town be 4% and the present population be 17,576 what was the population 3 years ago? Select one: a. 15655 b. 15625 c. 14625 d. 15650
Answers
Answered by
3
Late the population increases at the rate of r per year and present population is x, then
b[1+(r/100)]^3 = x =>[1+(r/100)]^3 = x/b
Also x[1+(r/100)]^3=c => x*x/b= c or x^2= bc
Hence x= Sqrt(bc)
b[1+(r/100)]^3 = x =>[1+(r/100)]^3 = x/b
Also x[1+(r/100)]^3=c => x*x/b= c or x^2= bc
Hence x= Sqrt(bc)
Similar questions