The population of a certain town increased at a certain
rate per cent per annum. Now it is 456976. Four years ago, it was
390625. What will it be 2 years hence
someone please answer with explanation
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The population of a certain town increased at a certain
rate per cent per annum. Now it is 456976. Four years ago, it was
390625. What will it be 2 years hence
someone please answer with explanation
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Answer:
Increased by 50%= 1.5 times
160×1.5
n
=810
where,
n=number of 50 years period
1.5
n
=
16
81
(
2
3
)
n
=
16
81
=(
2
3
)
4
So,
n=4
So there will 4 50years period which means in year =1950−(4×50)=1950−200=1750 population was 160