The population of a city increases by 700 each year. If the population increases 25000 in five years, it's initial population was:
- 21000
- 22000
- 21500
- none of these
Explanation
Solution:
Every year population increase = 700
after five year population increase = 5 x 700= 3500
So intial population = 25000-3500=21500
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