The population of a city increases by 700 each year. If the population increases 25000 in five years, it's initial population was:
The population of a city increases by 700 each year. If the population increases 25000 in five years, it's initial population was:
Explanation
Solution:
Every year population increase = 700
after five year population increase = 5 x 700= 3500
So intial population = 25000-3500=21500