The number of birds is an illustration of ratio and proportions, and Emma is 5 years old
How to determine Emma's age?
From the complete question, Emma's age is the sum of the simplified ratio between the number of birds.
The ratio can be represented as:
Birds = 200 : 300
Simplify the ratio
Birds = 2 : 3
Add the numbers in the above ratio
Emma = 2 + 3
Emma = 5
Hence, Emma is 5 years old
Read more about ratios at:
https://brainly.com/question/2328454
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