Question

The population of a town increases by 10% in the first year and by 20% in the second year. If the population at the end of the second year is 39,600, find the population at the beginning of the first year.

Q: Answer-The population of a town increases by 10% in the first year and by 20% in the second year. If the po...

Let initial population P. After first year 10 increase P 110100 11P10 After second year 20 increase 11P10 120100 11P10 65 66P50 33P25 Given 33P25 39,600 33P 39,600 25 39,600 25 39,600 1004 3,960,000 4 990,000 So 33P 990,000 P 990,000 33 30,000

A 40,700

B 30,000

C 39,500

D 30,700

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The population of a town increases by 10% in the first year and by 20% in the second year. If the population at the end of the second year is 39,600, find the population at the beginning of the first year.

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