Question

In a pond, there were 20 Hydrilla plants. Through reproduction, 10 new Hydrilla plants were added in a year. Calculate the birth rate of the population.

Answer 1

it means that there will be one new hydrilla plants in 3 months

Answer 2

Answer:

50% is the birth rate of the Hydrilla plants population.

Explanation:

Number of Hydrilla plants that are available in the pond is 20

Number of new Hydrilla plants that were added in a year is 10

The birth rate of the population can be calculated with the help of formula  

Birth rate=New plants/Old plants * 100

=10/20*100

=50%

Thus the birth rate of the population becomes 50%