At the start of 2010,the population of city was 20,000. It decreases by 10% every year for the next three years while it is increased by 15% in the fourth year. What is the population of city after four years
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10% of population 20000= 2000
3years = 30%= 6000
it increased 15%in fourth year = 3000
20000-6000+3000=17000
3years = 30%= 6000
it increased 15%in fourth year = 3000
20000-6000+3000=17000
tnkn108:
You are wrong
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