1.The population of a town is 1,60,000 in the current year. If it increases at the rate of 5% per annum, what will be the population 3 years from now ?
Answers
Answer:
185220
Step-by-step explanation:
Population of a town = 160000
Growth rate= 5% per year= 1.05 times
Population after 3 years:
160000*1.05³=185220
The population of the town, after three years will be 185220 people.
Step-by-step explanation:
Let the population of the town be P.
Therefore, P= 160000.
Let the rate of increase of population in the town be R.
Therefore, R= 5%.
Let the time period for the increase in the population be t.
Therefore, t= 3 years.
Let the population of the town after 3 years be A.
Putting the given values in the formula A= P(1+r/100)^t, we get:-
Population of the town after 3 years
= 160000(1+(5/100))³
= 160000((20+1) /20)³
= 160000(21/20)³
= 160000((21*21*21)/(20*20*20))
= 20*21*21*21
= 420*441
= 185220 people.
Thus, the population of the town, after three years will be 185220 people.
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