Question

the population of a town was 160000 three years ago if it has increased by 3% 2.5% and 5% in the last three years find the present population of the town

Answer 1

1year ago =160000*3/100=4800increase in 1st year 160000+4800=164800
in second year =164800*5/100=8240
164800+8240=173040
in third year =2.5/100*173040=4236
173040+4236=177366
the present population of town =711366
hope is correct and u understand

Answer 2

Answer:

177366

Step-by-step explanation:

let X be the present population of the town.then,

P=160000 * (1+3/100)*(1+2.5/100)*(1+5/100)

P=160000 * 103/100 * 41/40 * 21/20

P=2*103*4*21

P=177366