Question

The population of small town is increased by 15/2% per annum for two years. If the present population is 73,960 then two years the population was???

Answer 1

Answer:

according to me the answer of your question is 62866

Answer 2

Two years ago, the population was 64000.

Step-by-step explanation:

Since we have given that

Present population = 73960

Rate of growth = $\dfrac{15}{2}\%$

We need to find the population two years ago.

According to question, we get that

$A=P(1+\dfrac{r}{100})^2\\\\73960=P(1+\dfrac{7.5}{100})^2\\\\73960=P(1+0.075)^2\\\\73960=P(1.075)^2\\\\\dfrac{73960}{1.075^2}=P\\\\P=64000$

Hence, the two years ago, the population was 64000.

# learn more:

The population of small town is increases by 15/2% per annum for two years. If the present population os 73,960 then two years before the population was?

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