Question

cuoi nam 2013 , so dan cua nuoc ta la 90 000 000 nguoi . neu ti le tang dan so hang nam la 1,2 phan tram thi het nam 2014 so dan cua nuoc ta la bao nhieu nguoi

 

Answer 1

90000000x1.2%=91080000

Answer 2

= 90 000 000 x 1,2 : 100 = 1080000 người

90 000 000 + 1080000 nguoi = 91080000 nguoi