During one year, the population of town increased by 5% . If the total

1.	During one year, the population of town increased by 5% . If the total population is 9975 at the end of the second year , then what was the population size in the beginning of the first year ?
Answer» Population in the beginning of the first year = 9975/[1+(5/100)][1-(5/100)] = [9975(20/21)*(20/19)] =10000

During one year, the population of town increased by 5% . If the total population is 9975 at the end of the second year , then what was the population size in the beginning of the first year ?

Answer»

Population in the beginning of the first year

= 9975/[1+(5/100)]*[1-(5/100)]

= [9975*(20/21)*(20/19)]

=10000

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During one year, the population of town increased by 5% . If the total population is 9975 at the end of the second year , then what was the population size in the beginning of the first year ?

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