Question

If in a pond there are 40 lotus plants last year and through reproduction 10 new plants are added, taking the current population to 50. The birth rate is as:

Answer 1

The Birth rate would be 12.5%.

Answer 2

25%

Explanation:

Birth rate refers to the total number of live births produced in a year.

The birth rate is usually calculated per thousand number of people.

The birth rate is calculated using formula:

The birth rate =

$\frac{\text{New birth of plants in a year}}{Old\ birth}\times 100$

That means

$\frac{10}{40} \times 100= 25\%$

Therefore, Birth rate is 25%.

To learn more:

1. https://brainly.in/question/7640575