Question

In a forest there are 40000 trees .Find the expected number of trees after 3 years if the objective is to increase the number at the rate of 5 percent per year..​

Answer 1

Answer:

Here, P = Present number of trees in the forest = 40,000 R = Increase in the number of trees per year = 5% N = 3 years A = Number of trees after 3 years = 5 × 21 × 21 × 21 = 5 × 9261 = 46,305 ∴ The expected number of trees in the forest after 3 years is 46,30

Answer 2

SOLUTION

Here, P = Number of trees initially = 40,000 A = Number of trees after 3 years

• R = Rate of increase of number of trees per

• year = 5 %

• N = 3 years

$\pink{ \sf \: A = P \: \big( \frac{r}{100} \big) ^{n} }\\ \orange{\sf = 40000\: \bigg( 1 + \frac{1}{21} \bigg)} \\ \purple{\sf = 40000 \bigg(\frac{21}{20} \bigg)} \\ \sf \red{ \underline{= {46305}}}$